Home / 1,259,459.50-1,888,070.70-490,779.24

Finding the Fourth Proportional to 1,259,459.50, 1,888,070.70 and 490,779.24

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Solution

The fourth proportional to 1,259,459.50, 1,888,070.70 and 490,779.24 is: 735,732.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,459.50 : 1,888,070.70 = 490,779.24 : x
  2. Step 2: Convert to fraction form
    1,259,459.50/1,888,070.70 = 490,779.24/x
  3. Step 3: Cross multiply
    1,259,459.50x = 1,888,070.70 × 490,779.24
  4. Step 4: Simplify right side
    1,259,459.50x = 926,625,903,212.27
  5. Step 5: Solve for x
    x = 926,625,903,212.27/1,259,459.50
  6. Step 6: Final answer
    x = 735,732.99

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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.