Home / 1,155,234.20-1,731,686.72-481,687.43

Finding the Fourth Proportional to 1,155,234.20, 1,731,686.72 and 481,687.43

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Solution

The fourth proportional to 1,155,234.20, 1,731,686.72 and 481,687.43 is: 722,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,234.20 : 1,731,686.72 = 481,687.43 : x
  2. Step 2: Convert to fraction form
    1,155,234.20/1,731,686.72 = 481,687.43/x
  3. Step 3: Cross multiply
    1,155,234.20x = 1,731,686.72 × 481,687.43
  4. Step 4: Simplify right side
    1,155,234.20x = 834,131,714,655.06
  5. Step 5: Solve for x
    x = 834,131,714,655.06/1,155,234.20
  6. Step 6: Final answer
    x = 722,045.55

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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.