Home / 1,131,001.99-1,561,534.31-868,890.46

Finding the Fourth Proportional to 1,131,001.99, 1,561,534.31 and 868,890.46

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Solution

The fourth proportional to 1,131,001.99, 1,561,534.31 and 868,890.46 is: 1,199,646.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,001.99 : 1,561,534.31 = 868,890.46 : x
  2. Step 2: Convert to fraction form
    1,131,001.99/1,561,534.31 = 868,890.46/x
  3. Step 3: Cross multiply
    1,131,001.99x = 1,561,534.31 × 868,890.46
  4. Step 4: Simplify right side
    1,131,001.99x = 1,356,802,269,045.83
  5. Step 5: Solve for x
    x = 1,356,802,269,045.83/1,131,001.99
  6. Step 6: Final answer
    x = 1,199,646.23

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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.