Home / 1,120,406.10-1,680,390.45-372,452.10

Finding the Fourth Proportional to 1,120,406.10, 1,680,390.45 and 372,452.10

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Solution

The fourth proportional to 1,120,406.10, 1,680,390.45 and 372,452.10 is: 558,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,406.10 : 1,680,390.45 = 372,452.10 : x
  2. Step 2: Convert to fraction form
    1,120,406.10/1,680,390.45 = 372,452.10/x
  3. Step 3: Cross multiply
    1,120,406.10x = 1,680,390.45 × 372,452.10
  4. Step 4: Simplify right side
    1,120,406.10x = 625,864,951,922.45
  5. Step 5: Solve for x
    x = 625,864,951,922.45/1,120,406.10
  6. Step 6: Final answer
    x = 558,605.45

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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.