Home / 1,107,572.10-1,661,358.15-708,663.30

Finding the Fourth Proportional to 1,107,572.10, 1,661,358.15 and 708,663.30

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Solution

The fourth proportional to 1,107,572.10, 1,661,358.15 and 708,663.30 is: 1,062,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,572.10 : 1,661,358.15 = 708,663.30 : x
  2. Step 2: Convert to fraction form
    1,107,572.10/1,661,358.15 = 708,663.30/x
  3. Step 3: Cross multiply
    1,107,572.10x = 1,661,358.15 × 708,663.30
  4. Step 4: Simplify right side
    1,107,572.10x = 1,177,343,549,060.90
  5. Step 5: Solve for x
    x = 1,177,343,549,060.90/1,107,572.10
  6. Step 6: Final answer
    x = 1,062,994.95

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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.