Home / 1,274,987.52-1,910,174.08-918,069.12

Finding the Fourth Proportional to 1,274,987.52, 1,910,174.08 and 918,069.12

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Solution

The fourth proportional to 1,274,987.52, 1,910,174.08 and 918,069.12 is: 1,375,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,987.52 : 1,910,174.08 = 918,069.12 : x
  2. Step 2: Convert to fraction form
    1,274,987.52/1,910,174.08 = 918,069.12/x
  3. Step 3: Cross multiply
    1,274,987.52x = 1,910,174.08 × 918,069.12
  4. Step 4: Simplify right side
    1,274,987.52x = 1,753,671,836,672.41
  5. Step 5: Solve for x
    x = 1,753,671,836,672.41/1,274,987.52
  6. Step 6: Final answer
    x = 1,375,442.35

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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.