Home / 1,101,815.80-1,650,755.40-901,049.20

Finding the Fourth Proportional to 1,101,815.80, 1,650,755.40 and 901,049.20

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Solution

The fourth proportional to 1,101,815.80, 1,650,755.40 and 901,049.20 is: 1,349,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,815.80 : 1,650,755.40 = 901,049.20 : x
  2. Step 2: Convert to fraction form
    1,101,815.80/1,650,755.40 = 901,049.20/x
  3. Step 3: Cross multiply
    1,101,815.80x = 1,650,755.40 × 901,049.20
  4. Step 4: Simplify right side
    1,101,815.80x = 1,487,411,832,565.68
  5. Step 5: Solve for x
    x = 1,487,411,832,565.68/1,101,815.80
  6. Step 6: Final answer
    x = 1,349,964.15

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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.