Home / 993,138.85-1,489,722.14-283,167.17

Finding the Fourth Proportional to 993,138.85, 1,489,722.14 and 283,167.17

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Solution

The fourth proportional to 993,138.85, 1,489,722.14 and 283,167.17 is: 424,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,138.85 : 1,489,722.14 = 283,167.17 : x
  2. Step 2: Convert to fraction form
    993,138.85/1,489,722.14 = 283,167.17/x
  3. Step 3: Cross multiply
    993,138.85x = 1,489,722.14 × 283,167.17
  4. Step 4: Simplify right side
    993,138.85x = 421,840,402,470.14
  5. Step 5: Solve for x
    x = 421,840,402,470.14/993,138.85
  6. Step 6: Final answer
    x = 424,754.71

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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.