Home / 1,078,046.08-1,617,146.88-329,994.88

Finding the Fourth Proportional to 1,078,046.08, 1,617,146.88 and 329,994.88

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Solution

The fourth proportional to 1,078,046.08, 1,617,146.88 and 329,994.88 is: 495,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,046.08 : 1,617,146.88 = 329,994.88 : x
  2. Step 2: Convert to fraction form
    1,078,046.08/1,617,146.88 = 329,994.88/x
  3. Step 3: Cross multiply
    1,078,046.08x = 1,617,146.88 × 329,994.88
  4. Step 4: Simplify right side
    1,078,046.08x = 533,650,190,607.97
  5. Step 5: Solve for x
    x = 533,650,190,607.97/1,078,046.08
  6. Step 6: Final answer
    x = 495,016.12

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Double scale
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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.