Home / 1,385,726.37-1,912,282.19-773,872.65

Finding the Fourth Proportional to 1,385,726.37, 1,912,282.19 and 773,872.65

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Solution

The fourth proportional to 1,385,726.37, 1,912,282.19 and 773,872.65 is: 1,067,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,726.37 : 1,912,282.19 = 773,872.65 : x
  2. Step 2: Convert to fraction form
    1,385,726.37/1,912,282.19 = 773,872.65/x
  3. Step 3: Cross multiply
    1,385,726.37x = 1,912,282.19 × 773,872.65
  4. Step 4: Simplify right side
    1,385,726.37x = 1,479,862,882,053.74
  5. Step 5: Solve for x
    x = 1,479,862,882,053.74/1,385,726.37
  6. Step 6: Final answer
    x = 1,067,932.97

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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.