Home / 1,541,565.60-2,312,233.20-642,775.20

Finding the Fourth Proportional to 1,541,565.60, 2,312,233.20 and 642,775.20

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Solution

The fourth proportional to 1,541,565.60, 2,312,233.20 and 642,775.20 is: 964,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,565.60 : 2,312,233.20 = 642,775.20 : x
  2. Step 2: Convert to fraction form
    1,541,565.60/2,312,233.20 = 642,775.20/x
  3. Step 3: Cross multiply
    1,541,565.60x = 2,312,233.20 × 642,775.20
  4. Step 4: Simplify right side
    1,541,565.60x = 1,486,246,157,576.64
  5. Step 5: Solve for x
    x = 1,486,246,157,576.64/1,541,565.60
  6. Step 6: Final answer
    x = 964,114.77

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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.