Home / 1,708,678.20-2,561,267.70-998,340.60

Finding the Fourth Proportional to 1,708,678.20, 2,561,267.70 and 998,340.60

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Solution

The fourth proportional to 1,708,678.20, 2,561,267.70 and 998,340.60 is: 1,496,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,678.20 : 2,561,267.70 = 998,340.60 : x
  2. Step 2: Convert to fraction form
    1,708,678.20/2,561,267.70 = 998,340.60/x
  3. Step 3: Cross multiply
    1,708,678.20x = 2,561,267.70 × 998,340.60
  4. Step 4: Simplify right side
    1,708,678.20x = 2,557,017,532,378.62
  5. Step 5: Solve for x
    x = 2,557,017,532,378.62/1,708,678.20
  6. Step 6: Final answer
    x = 1,496,488.65

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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.