Home / 1,112,207.64-1,667,155.86-472,921.80

Finding the Fourth Proportional to 1,112,207.64, 1,667,155.86 and 472,921.80

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Solution

The fourth proportional to 1,112,207.64, 1,667,155.86 and 472,921.80 is: 708,891.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,207.64 : 1,667,155.86 = 472,921.80 : x
  2. Step 2: Convert to fraction form
    1,112,207.64/1,667,155.86 = 472,921.80/x
  3. Step 3: Cross multiply
    1,112,207.64x = 1,667,155.86 × 472,921.80
  4. Step 4: Simplify right side
    1,112,207.64x = 788,434,350,191.75
  5. Step 5: Solve for x
    x = 788,434,350,191.75/1,112,207.64
  6. Step 6: Final answer
    x = 708,891.33

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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.