Home / 1,125,143-1,552,711.92-615,834.44

Finding the Fourth Proportional to 1,125,143, 1,552,711.92 and 615,834.44

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Solution

The fourth proportional to 1,125,143, 1,552,711.92 and 615,834.44 is: 849,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,143 : 1,552,711.92 = 615,834.44 : x
  2. Step 2: Convert to fraction form
    1,125,143/1,552,711.92 = 615,834.44/x
  3. Step 3: Cross multiply
    1,125,143x = 1,552,711.92 × 615,834.44
  4. Step 4: Simplify right side
    1,125,143x = 956,213,475,734.53
  5. Step 5: Solve for x
    x = 956,213,475,734.53/1,125,143
  6. Step 6: Final answer
    x = 849,859.51

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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.