Home / 998,541.40-1,497,812.10-880,443.40

Finding the Fourth Proportional to 998,541.40, 1,497,812.10 and 880,443.40

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Solution

The fourth proportional to 998,541.40, 1,497,812.10 and 880,443.40 is: 1,320,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,541.40 : 1,497,812.10 = 880,443.40 : x
  2. Step 2: Convert to fraction form
    998,541.40/1,497,812.10 = 880,443.40/x
  3. Step 3: Cross multiply
    998,541.40x = 1,497,812.10 × 880,443.40
  4. Step 4: Simplify right side
    998,541.40x = 1,318,738,777,885.14
  5. Step 5: Solve for x
    x = 1,318,738,777,885.14/998,541.40
  6. Step 6: Final answer
    x = 1,320,665.10

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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.