Home / 814,654.40-1,221,981.60-755,605.40

Finding the Fourth Proportional to 814,654.40, 1,221,981.60 and 755,605.40

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Solution

The fourth proportional to 814,654.40, 1,221,981.60 and 755,605.40 is: 1,133,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,654.40 : 1,221,981.60 = 755,605.40 : x
  2. Step 2: Convert to fraction form
    814,654.40/1,221,981.60 = 755,605.40/x
  3. Step 3: Cross multiply
    814,654.40x = 1,221,981.60 × 755,605.40
  4. Step 4: Simplify right side
    814,654.40x = 923,335,895,660.64
  5. Step 5: Solve for x
    x = 923,335,895,660.64/814,654.40
  6. Step 6: Final answer
    x = 1,133,408.10

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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.