Home / 1,079,663.20-1,619,494.80-998,562.40

Finding the Fourth Proportional to 1,079,663.20, 1,619,494.80 and 998,562.40

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Solution

The fourth proportional to 1,079,663.20, 1,619,494.80 and 998,562.40 is: 1,497,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,663.20 : 1,619,494.80 = 998,562.40 : x
  2. Step 2: Convert to fraction form
    1,079,663.20/1,619,494.80 = 998,562.40/x
  3. Step 3: Cross multiply
    1,079,663.20x = 1,619,494.80 × 998,562.40
  4. Step 4: Simplify right side
    1,079,663.20x = 1,617,166,614,275.52
  5. Step 5: Solve for x
    x = 1,617,166,614,275.52/1,079,663.20
  6. Step 6: Final answer
    x = 1,497,843.60

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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.