Home / 1,391,711.52-2,084,023.43-916,957.56

Finding the Fourth Proportional to 1,391,711.52, 2,084,023.43 and 916,957.56

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Solution

The fourth proportional to 1,391,711.52, 2,084,023.43 and 916,957.56 is: 1,373,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,711.52 : 2,084,023.43 = 916,957.56 : x
  2. Step 2: Convert to fraction form
    1,391,711.52/2,084,023.43 = 916,957.56/x
  3. Step 3: Cross multiply
    1,391,711.52x = 2,084,023.43 × 916,957.56
  4. Step 4: Simplify right side
    1,391,711.52x = 1,910,961,051,182.41
  5. Step 5: Solve for x
    x = 1,910,961,051,182.41/1,391,711.52
  6. Step 6: Final answer
    x = 1,373,101.41

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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.