Home / 1,092,809.60-1,640,251.20-672,905.60

Finding the Fourth Proportional to 1,092,809.60, 1,640,251.20 and 672,905.60

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Solution

The fourth proportional to 1,092,809.60, 1,640,251.20 and 672,905.60 is: 1,009,996.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,809.60 : 1,640,251.20 = 672,905.60 : x
  2. Step 2: Convert to fraction form
    1,092,809.60/1,640,251.20 = 672,905.60/x
  3. Step 3: Cross multiply
    1,092,809.60x = 1,640,251.20 × 672,905.60
  4. Step 4: Simplify right side
    1,092,809.60x = 1,103,734,217,886.72
  5. Step 5: Solve for x
    x = 1,103,734,217,886.72/1,092,809.60
  6. Step 6: Final answer
    x = 1,009,996.82

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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.