Home / 862,502.40-1,293,753.60-738,086.40

Finding the Fourth Proportional to 862,502.40, 1,293,753.60 and 738,086.40

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Solution

The fourth proportional to 862,502.40, 1,293,753.60 and 738,086.40 is: 1,107,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,502.40 : 1,293,753.60 = 738,086.40 : x
  2. Step 2: Convert to fraction form
    862,502.40/1,293,753.60 = 738,086.40/x
  3. Step 3: Cross multiply
    862,502.40x = 1,293,753.60 × 738,086.40
  4. Step 4: Simplify right side
    862,502.40x = 954,901,937,111.04
  5. Step 5: Solve for x
    x = 954,901,937,111.04/862,502.40
  6. Step 6: Final answer
    x = 1,107,129.60

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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.