Home / 1,494,717.12-2,062,753.20-815,697.36

Finding the Fourth Proportional to 1,494,717.12, 2,062,753.20 and 815,697.36

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Solution

The fourth proportional to 1,494,717.12, 2,062,753.20 and 815,697.36 is: 1,125,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,717.12 : 2,062,753.20 = 815,697.36 : x
  2. Step 2: Convert to fraction form
    1,494,717.12/2,062,753.20 = 815,697.36/x
  3. Step 3: Cross multiply
    1,494,717.12x = 2,062,753.20 × 815,697.36
  4. Step 4: Simplify right side
    1,494,717.12x = 1,682,582,339,571.55
  5. Step 5: Solve for x
    x = 1,682,582,339,571.55/1,494,717.12
  6. Step 6: Final answer
    x = 1,125,686.14

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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.