Home / 1,117,652.62-1,676,761.89-318,937

Finding the Fourth Proportional to 1,117,652.62, 1,676,761.89 and 318,937

Calculator

Solution

The fourth proportional to 1,117,652.62, 1,676,761.89 and 318,937 is: 478,486.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,652.62 : 1,676,761.89 = 318,937 : x
  2. Step 2: Convert to fraction form
    1,117,652.62/1,676,761.89 = 318,937/x
  3. Step 3: Cross multiply
    1,117,652.62x = 1,676,761.89 × 318,937
  4. Step 4: Simplify right side
    1,117,652.62x = 534,781,406,910.93
  5. Step 5: Solve for x
    x = 534,781,406,910.93/1,117,652.62
  6. Step 6: Final answer
    x = 478,486.25

Related Problems

Find fourth proportional to 558,826.31, 838,380.95 and 159,468.50
Half scale
Find fourth proportional to 2,235,305.24, 3,353,523.78 and 637,874
Double scale
Find fourth proportional to 1,117,653.62, 1,676,763.39 and 318,938
Similar ratio
Find fourth proportional to 1,676,478.93, 2,515,142.84 and 478,405.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.