Home / 1,449,612.80-2,172,669.60-739,275.20

Finding the Fourth Proportional to 1,449,612.80, 2,172,669.60 and 739,275.20

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Solution

The fourth proportional to 1,449,612.80, 2,172,669.60 and 739,275.20 is: 1,108,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,612.80 : 2,172,669.60 = 739,275.20 : x
  2. Step 2: Convert to fraction form
    1,449,612.80/2,172,669.60 = 739,275.20/x
  3. Step 3: Cross multiply
    1,449,612.80x = 2,172,669.60 × 739,275.20
  4. Step 4: Simplify right side
    1,449,612.80x = 1,606,200,753,073.92
  5. Step 5: Solve for x
    x = 1,606,200,753,073.92/1,449,612.80
  6. Step 6: Final answer
    x = 1,108,020.54

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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.