Home / 1,069,281.60-1,603,922.40-998,422.80

Finding the Fourth Proportional to 1,069,281.60, 1,603,922.40 and 998,422.80

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Solution

The fourth proportional to 1,069,281.60, 1,603,922.40 and 998,422.80 is: 1,497,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,281.60 : 1,603,922.40 = 998,422.80 : x
  2. Step 2: Convert to fraction form
    1,069,281.60/1,603,922.40 = 998,422.80/x
  3. Step 3: Cross multiply
    1,069,281.60x = 1,603,922.40 × 998,422.80
  4. Step 4: Simplify right side
    1,069,281.60x = 1,601,392,693,590.72
  5. Step 5: Solve for x
    x = 1,601,392,693,590.72/1,069,281.60
  6. Step 6: Final answer
    x = 1,497,634.20

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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.