Home / 1,217,295.46-1,679,565.90-787,057.88

Finding the Fourth Proportional to 1,217,295.46, 1,679,565.90 and 787,057.88

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Solution

The fourth proportional to 1,217,295.46, 1,679,565.90 and 787,057.88 is: 1,085,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,295.46 : 1,679,565.90 = 787,057.88 : x
  2. Step 2: Convert to fraction form
    1,217,295.46/1,679,565.90 = 787,057.88/x
  3. Step 3: Cross multiply
    1,217,295.46x = 1,679,565.90 × 787,057.88
  4. Step 4: Simplify right side
    1,217,295.46x = 1,321,915,576,574.29
  5. Step 5: Solve for x
    x = 1,321,915,576,574.29/1,217,295.46
  6. Step 6: Final answer
    x = 1,085,944.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.