Home / 1,055,419.52-1,582,189.65-381,350.48

Finding the Fourth Proportional to 1,055,419.52, 1,582,189.65 and 381,350.48

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Solution

The fourth proportional to 1,055,419.52, 1,582,189.65 and 381,350.48 is: 571,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,419.52 : 1,582,189.65 = 381,350.48 : x
  2. Step 2: Convert to fraction form
    1,055,419.52/1,582,189.65 = 381,350.48/x
  3. Step 3: Cross multiply
    1,055,419.52x = 1,582,189.65 × 381,350.48
  4. Step 4: Simplify right side
    1,055,419.52x = 603,368,782,478.53
  5. Step 5: Solve for x
    x = 603,368,782,478.53/1,055,419.52
  6. Step 6: Final answer
    x = 571,686.21

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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.