Home / 1,565,909.40-2,348,864.10-768,747.90

Finding the Fourth Proportional to 1,565,909.40, 2,348,864.10 and 768,747.90

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Solution

The fourth proportional to 1,565,909.40, 2,348,864.10 and 768,747.90 is: 1,153,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,909.40 : 2,348,864.10 = 768,747.90 : x
  2. Step 2: Convert to fraction form
    1,565,909.40/2,348,864.10 = 768,747.90/x
  3. Step 3: Cross multiply
    1,565,909.40x = 2,348,864.10 × 768,747.90
  4. Step 4: Simplify right side
    1,565,909.40x = 1,805,684,344,260.39
  5. Step 5: Solve for x
    x = 1,805,684,344,260.39/1,565,909.40
  6. Step 6: Final answer
    x = 1,153,121.85

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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.