Home / 1,431,331.30-2,146,995.57-366,371.66

Finding the Fourth Proportional to 1,431,331.30, 2,146,995.57 and 366,371.66

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Solution

The fourth proportional to 1,431,331.30, 2,146,995.57 and 366,371.66 is: 549,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,331.30 : 2,146,995.57 = 366,371.66 : x
  2. Step 2: Convert to fraction form
    1,431,331.30/2,146,995.57 = 366,371.66/x
  3. Step 3: Cross multiply
    1,431,331.30x = 2,146,995.57 × 366,371.66
  4. Step 4: Simplify right side
    1,431,331.30x = 786,598,330,993.55
  5. Step 5: Solve for x
    x = 786,598,330,993.55/1,431,331.30
  6. Step 6: Final answer
    x = 549,557.14

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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.