Home / 1,057,060.80-1,585,591.20-969,969.60

Finding the Fourth Proportional to 1,057,060.80, 1,585,591.20 and 969,969.60

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Solution

The fourth proportional to 1,057,060.80, 1,585,591.20 and 969,969.60 is: 1,454,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,060.80 : 1,585,591.20 = 969,969.60 : x
  2. Step 2: Convert to fraction form
    1,057,060.80/1,585,591.20 = 969,969.60/x
  3. Step 3: Cross multiply
    1,057,060.80x = 1,585,591.20 × 969,969.60
  4. Step 4: Simplify right side
    1,057,060.80x = 1,537,975,262,027.52
  5. Step 5: Solve for x
    x = 1,537,975,262,027.52/1,057,060.80
  6. Step 6: Final answer
    x = 1,454,954.40

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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.