Home / 1,240,518.20-1,859,793.15-679,552.70

Finding the Fourth Proportional to 1,240,518.20, 1,859,793.15 and 679,552.70

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Solution

The fourth proportional to 1,240,518.20, 1,859,793.15 and 679,552.70 is: 1,018,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,518.20 : 1,859,793.15 = 679,552.70 : x
  2. Step 2: Convert to fraction form
    1,240,518.20/1,859,793.15 = 679,552.70/x
  3. Step 3: Cross multiply
    1,240,518.20x = 1,859,793.15 × 679,552.70
  4. Step 4: Simplify right side
    1,240,518.20x = 1,263,827,456,524.00
  5. Step 5: Solve for x
    x = 1,263,827,456,524.00/1,240,518.20
  6. Step 6: Final answer
    x = 1,018,789.94

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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.