Home / 1,212,310.08-1,818,399.20-370,861.83

Finding the Fourth Proportional to 1,212,310.08, 1,818,399.20 and 370,861.83

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Solution

The fourth proportional to 1,212,310.08, 1,818,399.20 and 370,861.83 is: 556,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,310.08 : 1,818,399.20 = 370,861.83 : x
  2. Step 2: Convert to fraction form
    1,212,310.08/1,818,399.20 = 370,861.83/x
  3. Step 3: Cross multiply
    1,212,310.08x = 1,818,399.20 × 370,861.83
  4. Step 4: Simplify right side
    1,212,310.08x = 674,374,853,128.23
  5. Step 5: Solve for x
    x = 674,374,853,128.23/1,212,310.08
  6. Step 6: Final answer
    x = 556,272.58

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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.