Home / 1,235,029.25-1,850,859.28-755,423.80

Finding the Fourth Proportional to 1,235,029.25, 1,850,859.28 and 755,423.80

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Solution

The fourth proportional to 1,235,029.25, 1,850,859.28 and 755,423.80 is: 1,132,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,029.25 : 1,850,859.28 = 755,423.80 : x
  2. Step 2: Convert to fraction form
    1,235,029.25/1,850,859.28 = 755,423.80/x
  3. Step 3: Cross multiply
    1,235,029.25x = 1,850,859.28 × 755,423.80
  4. Step 4: Simplify right side
    1,235,029.25x = 1,398,183,150,562.86
  5. Step 5: Solve for x
    x = 1,398,183,150,562.86/1,235,029.25
  6. Step 6: Final answer
    x = 1,132,105.29

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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.