Home / 1,320,244.92-1,821,805.02-747,185.31

Finding the Fourth Proportional to 1,320,244.92, 1,821,805.02 and 747,185.31

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Solution

The fourth proportional to 1,320,244.92, 1,821,805.02 and 747,185.31 is: 1,031,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,244.92 : 1,821,805.02 = 747,185.31 : x
  2. Step 2: Convert to fraction form
    1,320,244.92/1,821,805.02 = 747,185.31/x
  3. Step 3: Cross multiply
    1,320,244.92x = 1,821,805.02 × 747,185.31
  4. Step 4: Simplify right side
    1,320,244.92x = 1,361,225,948,628.26
  5. Step 5: Solve for x
    x = 1,361,225,948,628.26/1,320,244.92
  6. Step 6: Final answer
    x = 1,031,040.47

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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.