Home / 1,102,402.40-1,653,603.60-392,502.20

Finding the Fourth Proportional to 1,102,402.40, 1,653,603.60 and 392,502.20

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Solution

The fourth proportional to 1,102,402.40, 1,653,603.60 and 392,502.20 is: 588,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,402.40 : 1,653,603.60 = 392,502.20 : x
  2. Step 2: Convert to fraction form
    1,102,402.40/1,653,603.60 = 392,502.20/x
  3. Step 3: Cross multiply
    1,102,402.40x = 1,653,603.60 × 392,502.20
  4. Step 4: Simplify right side
    1,102,402.40x = 649,043,050,927.92
  5. Step 5: Solve for x
    x = 649,043,050,927.92/1,102,402.40
  6. Step 6: Final answer
    x = 588,753.30

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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.