Home / 1,454,129.86-2,181,526.54-443,342.20

Finding the Fourth Proportional to 1,454,129.86, 2,181,526.54 and 443,342.20

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Solution

The fourth proportional to 1,454,129.86, 2,181,526.54 and 443,342.20 is: 665,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,129.86 : 2,181,526.54 = 443,342.20 : x
  2. Step 2: Convert to fraction form
    1,454,129.86/2,181,526.54 = 443,342.20/x
  3. Step 3: Cross multiply
    1,454,129.86x = 2,181,526.54 × 443,342.20
  4. Step 4: Simplify right side
    1,454,129.86x = 967,162,775,601.99
  5. Step 5: Solve for x
    x = 967,162,775,601.99/1,454,129.86
  6. Step 6: Final answer
    x = 665,114.45

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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.