Home / 1,131,001.76-1,559,625.36-748,889.12

Finding the Fourth Proportional to 1,131,001.76, 1,559,625.36 and 748,889.12

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Solution

The fourth proportional to 1,131,001.76, 1,559,625.36 and 748,889.12 is: 1,032,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,001.76 : 1,559,625.36 = 748,889.12 : x
  2. Step 2: Convert to fraction form
    1,131,001.76/1,559,625.36 = 748,889.12/x
  3. Step 3: Cross multiply
    1,131,001.76x = 1,559,625.36 × 748,889.12
  4. Step 4: Simplify right side
    1,131,001.76x = 1,167,986,463,380.08
  5. Step 5: Solve for x
    x = 1,167,986,463,380.08/1,131,001.76
  6. Step 6: Final answer
    x = 1,032,700.84

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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.