Home / 1,107,177.30-1,661,543.55-708,786.90

Finding the Fourth Proportional to 1,107,177.30, 1,661,543.55 and 708,786.90

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Solution

The fourth proportional to 1,107,177.30, 1,661,543.55 and 708,786.90 is: 1,063,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,177.30 : 1,661,543.55 = 708,786.90 : x
  2. Step 2: Convert to fraction form
    1,107,177.30/1,661,543.55 = 708,786.90/x
  3. Step 3: Cross multiply
    1,107,177.30x = 1,661,543.55 × 708,786.90
  4. Step 4: Simplify right side
    1,107,177.30x = 1,177,680,302,019.50
  5. Step 5: Solve for x
    x = 1,177,680,302,019.50/1,107,177.30
  6. Step 6: Final answer
    x = 1,063,678.15

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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.