Home / 1,103,253.90-1,654,492.05-393,305.10

Finding the Fourth Proportional to 1,103,253.90, 1,654,492.05 and 393,305.10

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Solution

The fourth proportional to 1,103,253.90, 1,654,492.05 and 393,305.10 is: 589,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,253.90 : 1,654,492.05 = 393,305.10 : x
  2. Step 2: Convert to fraction form
    1,103,253.90/1,654,492.05 = 393,305.10/x
  3. Step 3: Cross multiply
    1,103,253.90x = 1,654,492.05 × 393,305.10
  4. Step 4: Simplify right side
    1,103,253.90x = 650,720,161,174.46
  5. Step 5: Solve for x
    x = 650,720,161,174.46/1,103,253.90
  6. Step 6: Final answer
    x = 589,819.04

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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.