Home / 1,098,605.60-1,647,908.40-433,671.20

Finding the Fourth Proportional to 1,098,605.60, 1,647,908.40 and 433,671.20

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Solution

The fourth proportional to 1,098,605.60, 1,647,908.40 and 433,671.20 is: 650,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,605.60 : 1,647,908.40 = 433,671.20 : x
  2. Step 2: Convert to fraction form
    1,098,605.60/1,647,908.40 = 433,671.20/x
  3. Step 3: Cross multiply
    1,098,605.60x = 1,647,908.40 × 433,671.20
  4. Step 4: Simplify right side
    1,098,605.60x = 714,650,413,318.08
  5. Step 5: Solve for x
    x = 714,650,413,318.08/1,098,605.60
  6. Step 6: Final answer
    x = 650,506.80

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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.