Home / 1,131,458.73-1,561,282.09-647,995.02

Finding the Fourth Proportional to 1,131,458.73, 1,561,282.09 and 647,995.02

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Solution

The fourth proportional to 1,131,458.73, 1,561,282.09 and 647,995.02 is: 894,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,458.73 : 1,561,282.09 = 647,995.02 : x
  2. Step 2: Convert to fraction form
    1,131,458.73/1,561,282.09 = 647,995.02/x
  3. Step 3: Cross multiply
    1,131,458.73x = 1,561,282.09 × 647,995.02
  4. Step 4: Simplify right side
    1,131,458.73x = 1,011,703,019,135.19
  5. Step 5: Solve for x
    x = 1,011,703,019,135.19/1,131,458.73
  6. Step 6: Final answer
    x = 894,158.13

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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.