Home / 1,156,248.32-1,730,115.12-699,209.60

Finding the Fourth Proportional to 1,156,248.32, 1,730,115.12 and 699,209.60

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Solution

The fourth proportional to 1,156,248.32, 1,730,115.12 and 699,209.60 is: 1,046,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,248.32 : 1,730,115.12 = 699,209.60 : x
  2. Step 2: Convert to fraction form
    1,156,248.32/1,730,115.12 = 699,209.60/x
  3. Step 3: Cross multiply
    1,156,248.32x = 1,730,115.12 × 699,209.60
  4. Step 4: Simplify right side
    1,156,248.32x = 1,209,713,101,009.15
  5. Step 5: Solve for x
    x = 1,209,713,101,009.15/1,156,248.32
  6. Step 6: Final answer
    x = 1,046,239.88

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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.