Home / 1,320,445.80-1,974,447.90-984,522.60

Finding the Fourth Proportional to 1,320,445.80, 1,974,447.90 and 984,522.60

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Solution

The fourth proportional to 1,320,445.80, 1,974,447.90 and 984,522.60 is: 1,472,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,445.80 : 1,974,447.90 = 984,522.60 : x
  2. Step 2: Convert to fraction form
    1,320,445.80/1,974,447.90 = 984,522.60/x
  3. Step 3: Cross multiply
    1,320,445.80x = 1,974,447.90 × 984,522.60
  4. Step 4: Simplify right side
    1,320,445.80x = 1,943,888,580,072.54
  5. Step 5: Solve for x
    x = 1,943,888,580,072.54/1,320,445.80
  6. Step 6: Final answer
    x = 1,472,145.68

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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.