Home / 1,455,382.20-2,180,999.70-1,073,321.40

Finding the Fourth Proportional to 1,455,382.20, 2,180,999.70 and 1,073,321.40

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Solution

The fourth proportional to 1,455,382.20, 2,180,999.70 and 1,073,321.40 is: 1,608,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,382.20 : 2,180,999.70 = 1,073,321.40 : x
  2. Step 2: Convert to fraction form
    1,455,382.20/2,180,999.70 = 1,073,321.40/x
  3. Step 3: Cross multiply
    1,455,382.20x = 2,180,999.70 × 1,073,321.40
  4. Step 4: Simplify right side
    1,455,382.20x = 2,340,913,651,403.58
  5. Step 5: Solve for x
    x = 2,340,913,651,403.58/1,455,382.20
  6. Step 6: Final answer
    x = 1,608,452.85

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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.