Home / 1,250,467.20-1,725,641.28-677,507.76

Finding the Fourth Proportional to 1,250,467.20, 1,725,641.28 and 677,507.76

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Solution

The fourth proportional to 1,250,467.20, 1,725,641.28 and 677,507.76 is: 934,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,467.20 : 1,725,641.28 = 677,507.76 : x
  2. Step 2: Convert to fraction form
    1,250,467.20/1,725,641.28 = 677,507.76/x
  3. Step 3: Cross multiply
    1,250,467.20x = 1,725,641.28 × 677,507.76
  4. Step 4: Simplify right side
    1,250,467.20x = 1,169,135,358,176.33
  5. Step 5: Solve for x
    x = 1,169,135,358,176.33/1,250,467.20
  6. Step 6: Final answer
    x = 934,958.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.