Home / 1,069,282.10-1,603,923.15-998,423.30

Finding the Fourth Proportional to 1,069,282.10, 1,603,923.15 and 998,423.30

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Solution

The fourth proportional to 1,069,282.10, 1,603,923.15 and 998,423.30 is: 1,497,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,282.10 : 1,603,923.15 = 998,423.30 : x
  2. Step 2: Convert to fraction form
    1,069,282.10/1,603,923.15 = 998,423.30/x
  3. Step 3: Cross multiply
    1,069,282.10x = 1,603,923.15 × 998,423.30
  4. Step 4: Simplify right side
    1,069,282.10x = 1,601,394,244,369.40
  5. Step 5: Solve for x
    x = 1,601,394,244,369.40/1,069,282.10
  6. Step 6: Final answer
    x = 1,497,634.95

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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.