Home / 1,100,520.70-1,650,781.05-1,006,042.30

Finding the Fourth Proportional to 1,100,520.70, 1,650,781.05 and 1,006,042.30

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Solution

The fourth proportional to 1,100,520.70, 1,650,781.05 and 1,006,042.30 is: 1,509,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,520.70 : 1,650,781.05 = 1,006,042.30 : x
  2. Step 2: Convert to fraction form
    1,100,520.70/1,650,781.05 = 1,006,042.30/x
  3. Step 3: Cross multiply
    1,100,520.70x = 1,650,781.05 × 1,006,042.30
  4. Step 4: Simplify right side
    1,100,520.70x = 1,660,755,564,338.42
  5. Step 5: Solve for x
    x = 1,660,755,564,338.42/1,100,520.70
  6. Step 6: Final answer
    x = 1,509,063.45

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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.