Home / 1,539,873.72-2,309,785.20-460,388.76

Finding the Fourth Proportional to 1,539,873.72, 2,309,785.20 and 460,388.76

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Solution

The fourth proportional to 1,539,873.72, 2,309,785.20 and 460,388.76 is: 690,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,873.72 : 2,309,785.20 = 460,388.76 : x
  2. Step 2: Convert to fraction form
    1,539,873.72/2,309,785.20 = 460,388.76/x
  3. Step 3: Cross multiply
    1,539,873.72x = 2,309,785.20 × 460,388.76
  4. Step 4: Simplify right side
    1,539,873.72x = 1,063,399,144,094.35
  5. Step 5: Solve for x
    x = 1,063,399,144,094.35/1,539,873.72
  6. Step 6: Final answer
    x = 690,575.55

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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.