Home / 1,125,161.20-1,552,709.82-615,857.50

Finding the Fourth Proportional to 1,125,161.20, 1,552,709.82 and 615,857.50

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Solution

The fourth proportional to 1,125,161.20, 1,552,709.82 and 615,857.50 is: 849,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,161.20 : 1,552,709.82 = 615,857.50 : x
  2. Step 2: Convert to fraction form
    1,125,161.20/1,552,709.82 = 615,857.50/x
  3. Step 3: Cross multiply
    1,125,161.20x = 1,552,709.82 × 615,857.50
  4. Step 4: Simplify right side
    1,125,161.20x = 956,247,987,970.65
  5. Step 5: Solve for x
    x = 956,247,987,970.65/1,125,161.20
  6. Step 6: Final answer
    x = 849,876.43

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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.