Home / 993,615.90-1,488,892.95-739,705.20

Finding the Fourth Proportional to 993,615.90, 1,488,892.95 and 739,705.20

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Solution

The fourth proportional to 993,615.90, 1,488,892.95 and 739,705.20 is: 1,108,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,615.90 : 1,488,892.95 = 739,705.20 : x
  2. Step 2: Convert to fraction form
    993,615.90/1,488,892.95 = 739,705.20/x
  3. Step 3: Cross multiply
    993,615.90x = 1,488,892.95 × 739,705.20
  4. Step 4: Simplify right side
    993,615.90x = 1,101,341,857,358.34
  5. Step 5: Solve for x
    x = 1,101,341,857,358.34/993,615.90
  6. Step 6: Final answer
    x = 1,108,418.11

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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.