Home / 993,760.20-1,490,640.30-966,112.20

Finding the Fourth Proportional to 993,760.20, 1,490,640.30 and 966,112.20

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Solution

The fourth proportional to 993,760.20, 1,490,640.30 and 966,112.20 is: 1,449,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,760.20 : 1,490,640.30 = 966,112.20 : x
  2. Step 2: Convert to fraction form
    993,760.20/1,490,640.30 = 966,112.20/x
  3. Step 3: Cross multiply
    993,760.20x = 1,490,640.30 × 966,112.20
  4. Step 4: Simplify right side
    993,760.20x = 1,440,125,779,641.66
  5. Step 5: Solve for x
    x = 1,440,125,779,641.66/993,760.20
  6. Step 6: Final answer
    x = 1,449,168.30

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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.