Home / 1,662,891.40-2,494,337.10-865,729.90

Finding the Fourth Proportional to 1,662,891.40, 2,494,337.10 and 865,729.90

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Solution

The fourth proportional to 1,662,891.40, 2,494,337.10 and 865,729.90 is: 1,298,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,891.40 : 2,494,337.10 = 865,729.90 : x
  2. Step 2: Convert to fraction form
    1,662,891.40/2,494,337.10 = 865,729.90/x
  3. Step 3: Cross multiply
    1,662,891.40x = 2,494,337.10 × 865,729.90
  4. Step 4: Simplify right side
    1,662,891.40x = 2,159,422,208,149.29
  5. Step 5: Solve for x
    x = 2,159,422,208,149.29/1,662,891.40
  6. Step 6: Final answer
    x = 1,298,594.85

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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.