Home / 1,079,659.20-1,619,488.80-998,558.40

Finding the Fourth Proportional to 1,079,659.20, 1,619,488.80 and 998,558.40

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Solution

The fourth proportional to 1,079,659.20, 1,619,488.80 and 998,558.40 is: 1,497,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,659.20 : 1,619,488.80 = 998,558.40 : x
  2. Step 2: Convert to fraction form
    1,079,659.20/1,619,488.80 = 998,558.40/x
  3. Step 3: Cross multiply
    1,079,659.20x = 1,619,488.80 × 998,558.40
  4. Step 4: Simplify right side
    1,079,659.20x = 1,617,154,144,945.92
  5. Step 5: Solve for x
    x = 1,617,154,144,945.92/1,079,659.20
  6. Step 6: Final answer
    x = 1,497,837.60

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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.