Home / 1,266,292.52-1,747,623.70-722,562.20

Finding the Fourth Proportional to 1,266,292.52, 1,747,623.70 and 722,562.20

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Solution

The fourth proportional to 1,266,292.52, 1,747,623.70 and 722,562.20 is: 997,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,292.52 : 1,747,623.70 = 722,562.20 : x
  2. Step 2: Convert to fraction form
    1,266,292.52/1,747,623.70 = 722,562.20/x
  3. Step 3: Cross multiply
    1,266,292.52x = 1,747,623.70 × 722,562.20
  4. Step 4: Simplify right side
    1,266,292.52x = 1,262,766,825,444.14
  5. Step 5: Solve for x
    x = 1,262,766,825,444.14/1,266,292.52
  6. Step 6: Final answer
    x = 997,215.73

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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.