Home / 1,109,892.20-1,664,531.10-445,111.40

Finding the Fourth Proportional to 1,109,892.20, 1,664,531.10 and 445,111.40

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Solution

The fourth proportional to 1,109,892.20, 1,664,531.10 and 445,111.40 is: 667,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,892.20 : 1,664,531.10 = 445,111.40 : x
  2. Step 2: Convert to fraction form
    1,109,892.20/1,664,531.10 = 445,111.40/x
  3. Step 3: Cross multiply
    1,109,892.20x = 1,664,531.10 × 445,111.40
  4. Step 4: Simplify right side
    1,109,892.20x = 740,901,768,264.54
  5. Step 5: Solve for x
    x = 740,901,768,264.54/1,109,892.20
  6. Step 6: Final answer
    x = 667,543.90

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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.