Home / 1,484,131.90-2,227,234.65-643,287.10

Finding the Fourth Proportional to 1,484,131.90, 2,227,234.65 and 643,287.10

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Solution

The fourth proportional to 1,484,131.90, 2,227,234.65 and 643,287.10 is: 965,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,131.90 : 2,227,234.65 = 643,287.10 : x
  2. Step 2: Convert to fraction form
    1,484,131.90/2,227,234.65 = 643,287.10/x
  3. Step 3: Cross multiply
    1,484,131.90x = 2,227,234.65 × 643,287.10
  4. Step 4: Simplify right side
    1,484,131.90x = 1,432,751,319,018.02
  5. Step 5: Solve for x
    x = 1,432,751,319,018.02/1,484,131.90
  6. Step 6: Final answer
    x = 965,380.04

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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.