Home / 1,125,143.25-1,552,712.27-615,834.69

Finding the Fourth Proportional to 1,125,143.25, 1,552,712.27 and 615,834.69

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Solution

The fourth proportional to 1,125,143.25, 1,552,712.27 and 615,834.69 is: 849,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,143.25 : 1,552,712.27 = 615,834.69 : x
  2. Step 2: Convert to fraction form
    1,125,143.25/1,552,712.27 = 615,834.69/x
  3. Step 3: Cross multiply
    1,125,143.25x = 1,552,712.27 × 615,834.69
  4. Step 4: Simplify right side
    1,125,143.25x = 956,214,076,375.47
  5. Step 5: Solve for x
    x = 956,214,076,375.47/1,125,143.25
  6. Step 6: Final answer
    x = 849,859.85

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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.