Home / 1,107,190.60-1,660,785.90-708,281.80

Finding the Fourth Proportional to 1,107,190.60, 1,660,785.90 and 708,281.80

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Solution

The fourth proportional to 1,107,190.60, 1,660,785.90 and 708,281.80 is: 1,062,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,190.60 : 1,660,785.90 = 708,281.80 : x
  2. Step 2: Convert to fraction form
    1,107,190.60/1,660,785.90 = 708,281.80/x
  3. Step 3: Cross multiply
    1,107,190.60x = 1,660,785.90 × 708,281.80
  4. Step 4: Simplify right side
    1,107,190.60x = 1,176,304,426,666.62
  5. Step 5: Solve for x
    x = 1,176,304,426,666.62/1,107,190.60
  6. Step 6: Final answer
    x = 1,062,422.70

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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.