Home / 993,721.20-1,490,581.80-966,073.20

Finding the Fourth Proportional to 993,721.20, 1,490,581.80 and 966,073.20

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Solution

The fourth proportional to 993,721.20, 1,490,581.80 and 966,073.20 is: 1,449,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,721.20 : 1,490,581.80 = 966,073.20 : x
  2. Step 2: Convert to fraction form
    993,721.20/1,490,581.80 = 966,073.20/x
  3. Step 3: Cross multiply
    993,721.20x = 1,490,581.80 × 966,073.20
  4. Step 4: Simplify right side
    993,721.20x = 1,440,011,129,387.76
  5. Step 5: Solve for x
    x = 1,440,011,129,387.76/993,721.20
  6. Step 6: Final answer
    x = 1,449,109.80

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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.