Home / 1,131,665.24-1,561,423.92-718,051.52

Finding the Fourth Proportional to 1,131,665.24, 1,561,423.92 and 718,051.52

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Solution

The fourth proportional to 1,131,665.24, 1,561,423.92 and 718,051.52 is: 990,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,665.24 : 1,561,423.92 = 718,051.52 : x
  2. Step 2: Convert to fraction form
    1,131,665.24/1,561,423.92 = 718,051.52/x
  3. Step 3: Cross multiply
    1,131,665.24x = 1,561,423.92 × 718,051.52
  4. Step 4: Simplify right side
    1,131,665.24x = 1,121,182,819,120.36
  5. Step 5: Solve for x
    x = 1,121,182,819,120.36/1,131,665.24
  6. Step 6: Final answer
    x = 990,737.17

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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.