Home / 993,137.85-1,489,720.64-283,166.17

Finding the Fourth Proportional to 993,137.85, 1,489,720.64 and 283,166.17

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Solution

The fourth proportional to 993,137.85, 1,489,720.64 and 283,166.17 is: 424,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,137.85 : 1,489,720.64 = 283,166.17 : x
  2. Step 2: Convert to fraction form
    993,137.85/1,489,720.64 = 283,166.17/x
  3. Step 3: Cross multiply
    993,137.85x = 1,489,720.64 × 283,166.17
  4. Step 4: Simplify right side
    993,137.85x = 421,838,487,998.75
  5. Step 5: Solve for x
    x = 421,838,487,998.75/993,137.85
  6. Step 6: Final answer
    x = 424,753.21

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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.