Home / 1,136,866.32-1,569,385.80-749,909.88

Finding the Fourth Proportional to 1,136,866.32, 1,569,385.80 and 749,909.88

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Solution

The fourth proportional to 1,136,866.32, 1,569,385.80 and 749,909.88 is: 1,035,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,866.32 : 1,569,385.80 = 749,909.88 : x
  2. Step 2: Convert to fraction form
    1,136,866.32/1,569,385.80 = 749,909.88/x
  3. Step 3: Cross multiply
    1,136,866.32x = 1,569,385.80 × 749,909.88
  4. Step 4: Simplify right side
    1,136,866.32x = 1,176,897,916,951.70
  5. Step 5: Solve for x
    x = 1,176,897,916,951.70/1,136,866.32
  6. Step 6: Final answer
    x = 1,035,212.23

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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.