Home / 1,511,130.96-2,266,333.56-445,885.20

Finding the Fourth Proportional to 1,511,130.96, 2,266,333.56 and 445,885.20

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Solution

The fourth proportional to 1,511,130.96, 2,266,333.56 and 445,885.20 is: 668,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,130.96 : 2,266,333.56 = 445,885.20 : x
  2. Step 2: Convert to fraction form
    1,511,130.96/2,266,333.56 = 445,885.20/x
  3. Step 3: Cross multiply
    1,511,130.96x = 2,266,333.56 × 445,885.20
  4. Step 4: Simplify right side
    1,511,130.96x = 1,010,524,592,667.31
  5. Step 5: Solve for x
    x = 1,010,524,592,667.31/1,511,130.96
  6. Step 6: Final answer
    x = 668,720.73

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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.