Home / 1,108,356.28-1,659,895.40-707,756.20

Finding the Fourth Proportional to 1,108,356.28, 1,659,895.40 and 707,756.20

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Solution

The fourth proportional to 1,108,356.28, 1,659,895.40 and 707,756.20 is: 1,059,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,356.28 : 1,659,895.40 = 707,756.20 : x
  2. Step 2: Convert to fraction form
    1,108,356.28/1,659,895.40 = 707,756.20/x
  3. Step 3: Cross multiply
    1,108,356.28x = 1,659,895.40 × 707,756.20
  4. Step 4: Simplify right side
    1,108,356.28x = 1,174,801,258,321.13
  5. Step 5: Solve for x
    x = 1,174,801,258,321.13/1,108,356.28
  6. Step 6: Final answer
    x = 1,059,949.12

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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.