Home / 1,126,476.30-1,690,200.45-653,565.90

Finding the Fourth Proportional to 1,126,476.30, 1,690,200.45 and 653,565.90

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Solution

The fourth proportional to 1,126,476.30, 1,690,200.45 and 653,565.90 is: 980,630.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,476.30 : 1,690,200.45 = 653,565.90 : x
  2. Step 2: Convert to fraction form
    1,126,476.30/1,690,200.45 = 653,565.90/x
  3. Step 3: Cross multiply
    1,126,476.30x = 1,690,200.45 × 653,565.90
  4. Step 4: Simplify right side
    1,126,476.30x = 1,104,657,378,284.66
  5. Step 5: Solve for x
    x = 1,104,657,378,284.66/1,126,476.30
  6. Step 6: Final answer
    x = 980,630.82

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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.