Home / 1,078,138.60-1,617,207.90-368,060.20

Finding the Fourth Proportional to 1,078,138.60, 1,617,207.90 and 368,060.20

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Solution

The fourth proportional to 1,078,138.60, 1,617,207.90 and 368,060.20 is: 552,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,138.60 : 1,617,207.90 = 368,060.20 : x
  2. Step 2: Convert to fraction form
    1,078,138.60/1,617,207.90 = 368,060.20/x
  3. Step 3: Cross multiply
    1,078,138.60x = 1,617,207.90 × 368,060.20
  4. Step 4: Simplify right side
    1,078,138.60x = 595,229,863,115.58
  5. Step 5: Solve for x
    x = 595,229,863,115.58/1,078,138.60
  6. Step 6: Final answer
    x = 552,090.30

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Double scale
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Similar ratio
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1.5x scale

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.