Home / 1,240,717.52-1,861,077.08-399,269.04

Finding the Fourth Proportional to 1,240,717.52, 1,861,077.08 and 399,269.04

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Solution

The fourth proportional to 1,240,717.52, 1,861,077.08 and 399,269.04 is: 598,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,717.52 : 1,861,077.08 = 399,269.04 : x
  2. Step 2: Convert to fraction form
    1,240,717.52/1,861,077.08 = 399,269.04/x
  3. Step 3: Cross multiply
    1,240,717.52x = 1,861,077.08 × 399,269.04
  4. Step 4: Simplify right side
    1,240,717.52x = 743,070,459,097.60
  5. Step 5: Solve for x
    x = 743,070,459,097.60/1,240,717.52
  6. Step 6: Final answer
    x = 598,903.82

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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.