Home / 1,144,191.25-1,716,287.10-891,660.79

Finding the Fourth Proportional to 1,144,191.25, 1,716,287.10 and 891,660.79

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Solution

The fourth proportional to 1,144,191.25, 1,716,287.10 and 891,660.79 is: 1,337,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,191.25 : 1,716,287.10 = 891,660.79 : x
  2. Step 2: Convert to fraction form
    1,144,191.25/1,716,287.10 = 891,660.79/x
  3. Step 3: Cross multiply
    1,144,191.25x = 1,716,287.10 × 891,660.79
  4. Step 4: Simplify right side
    1,144,191.25x = 1,530,345,911,452.81
  5. Step 5: Solve for x
    x = 1,530,345,911,452.81/1,144,191.25
  6. Step 6: Final answer
    x = 1,337,491.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.