Home / 1,418,826.40-2,129,276.40-998,922.40

Finding the Fourth Proportional to 1,418,826.40, 2,129,276.40 and 998,922.40

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Solution

The fourth proportional to 1,418,826.40, 2,129,276.40 and 998,922.40 is: 1,499,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,826.40 : 2,129,276.40 = 998,922.40 : x
  2. Step 2: Convert to fraction form
    1,418,826.40/2,129,276.40 = 998,922.40/x
  3. Step 3: Cross multiply
    1,418,826.40x = 2,129,276.40 × 998,922.40
  4. Step 4: Simplify right side
    1,418,826.40x = 2,126,981,891,751.36
  5. Step 5: Solve for x
    x = 2,126,981,891,751.36/1,418,826.40
  6. Step 6: Final answer
    x = 1,499,113.56

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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.