Home / 1,320,446.80-1,974,449.40-984,523.60

Finding the Fourth Proportional to 1,320,446.80, 1,974,449.40 and 984,523.60

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Solution

The fourth proportional to 1,320,446.80, 1,974,449.40 and 984,523.60 is: 1,472,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,446.80 : 1,974,449.40 = 984,523.60 : x
  2. Step 2: Convert to fraction form
    1,320,446.80/1,974,449.40 = 984,523.60/x
  3. Step 3: Cross multiply
    1,320,446.80x = 1,974,449.40 × 984,523.60
  4. Step 4: Simplify right side
    1,320,446.80x = 1,943,892,031,305.84
  5. Step 5: Solve for x
    x = 1,943,892,031,305.84/1,320,446.80
  6. Step 6: Final answer
    x = 1,472,147.18

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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.