Home / 1,321,472.88-1,823,778.36-740,751.76

Finding the Fourth Proportional to 1,321,472.88, 1,823,778.36 and 740,751.76

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Solution

The fourth proportional to 1,321,472.88, 1,823,778.36 and 740,751.76 is: 1,022,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,472.88 : 1,823,778.36 = 740,751.76 : x
  2. Step 2: Convert to fraction form
    1,321,472.88/1,823,778.36 = 740,751.76/x
  3. Step 3: Cross multiply
    1,321,472.88x = 1,823,778.36 × 740,751.76
  4. Step 4: Simplify right side
    1,321,472.88x = 1,350,967,030,019.91
  5. Step 5: Solve for x
    x = 1,350,967,030,019.91/1,321,472.88
  6. Step 6: Final answer
    x = 1,022,319.15

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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.