Home / 1,120,458.60-1,680,469.20-372,504.60

Finding the Fourth Proportional to 1,120,458.60, 1,680,469.20 and 372,504.60

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Solution

The fourth proportional to 1,120,458.60, 1,680,469.20 and 372,504.60 is: 558,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,458.60 : 1,680,469.20 = 372,504.60 : x
  2. Step 2: Convert to fraction form
    1,120,458.60/1,680,469.20 = 372,504.60/x
  3. Step 3: Cross multiply
    1,120,458.60x = 1,680,469.20 × 372,504.60
  4. Step 4: Simplify right side
    1,120,458.60x = 625,982,507,158.32
  5. Step 5: Solve for x
    x = 625,982,507,158.32/1,120,458.60
  6. Step 6: Final answer
    x = 558,684.19

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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.