Home / 1,474,488.45-2,207,489.90-1,320,630.57

Finding the Fourth Proportional to 1,474,488.45, 2,207,489.90 and 1,320,630.57

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Solution

The fourth proportional to 1,474,488.45, 2,207,489.90 and 1,320,630.57 is: 1,977,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,488.45 : 2,207,489.90 = 1,320,630.57 : x
  2. Step 2: Convert to fraction form
    1,474,488.45/2,207,489.90 = 1,320,630.57/x
  3. Step 3: Cross multiply
    1,474,488.45x = 2,207,489.90 × 1,320,630.57
  4. Step 4: Simplify right side
    1,474,488.45x = 2,915,278,638,303.09
  5. Step 5: Solve for x
    x = 2,915,278,638,303.09/1,474,488.45
  6. Step 6: Final answer
    x = 1,977,145.79

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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.