Home / 1,071,380.32-1,607,024.40-323,404

Finding the Fourth Proportional to 1,071,380.32, 1,607,024.40 and 323,404

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Solution

The fourth proportional to 1,071,380.32, 1,607,024.40 and 323,404 is: 485,092.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,380.32 : 1,607,024.40 = 323,404 : x
  2. Step 2: Convert to fraction form
    1,071,380.32/1,607,024.40 = 323,404/x
  3. Step 3: Cross multiply
    1,071,380.32x = 1,607,024.40 × 323,404
  4. Step 4: Simplify right side
    1,071,380.32x = 519,718,119,057.60
  5. Step 5: Solve for x
    x = 519,718,119,057.60/1,071,380.32
  6. Step 6: Final answer
    x = 485,092.09

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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.