Home / 1,454,414.40-2,181,621.60-457,142.40

Finding the Fourth Proportional to 1,454,414.40, 2,181,621.60 and 457,142.40

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Solution

The fourth proportional to 1,454,414.40, 2,181,621.60 and 457,142.40 is: 685,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,414.40 : 2,181,621.60 = 457,142.40 : x
  2. Step 2: Convert to fraction form
    1,454,414.40/2,181,621.60 = 457,142.40/x
  3. Step 3: Cross multiply
    1,454,414.40x = 2,181,621.60 × 457,142.40
  4. Step 4: Simplify right side
    1,454,414.40x = 997,311,734,115.84
  5. Step 5: Solve for x
    x = 997,311,734,115.84/1,454,414.40
  6. Step 6: Final answer
    x = 685,713.60

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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.