Home / 1,244,454.20-1,867,068.78-445,742.64

Finding the Fourth Proportional to 1,244,454.20, 1,867,068.78 and 445,742.64

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Solution

The fourth proportional to 1,244,454.20, 1,867,068.78 and 445,742.64 is: 668,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,454.20 : 1,867,068.78 = 445,742.64 : x
  2. Step 2: Convert to fraction form
    1,244,454.20/1,867,068.78 = 445,742.64/x
  3. Step 3: Cross multiply
    1,244,454.20x = 1,867,068.78 × 445,742.64
  4. Step 4: Simplify right side
    1,244,454.20x = 832,232,167,058.78
  5. Step 5: Solve for x
    x = 832,232,167,058.78/1,244,454.20
  6. Step 6: Final answer
    x = 668,752.75

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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.