Home / 1,266,086.92-1,899,133.80-319,457.56

Finding the Fourth Proportional to 1,266,086.92, 1,899,133.80 and 319,457.56

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Solution

The fourth proportional to 1,266,086.92, 1,899,133.80 and 319,457.56 is: 479,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,086.92 : 1,899,133.80 = 319,457.56 : x
  2. Step 2: Convert to fraction form
    1,266,086.92/1,899,133.80 = 319,457.56/x
  3. Step 3: Cross multiply
    1,266,086.92x = 1,899,133.80 × 319,457.56
  4. Step 4: Simplify right side
    1,266,086.92x = 606,692,649,861.53
  5. Step 5: Solve for x
    x = 606,692,649,861.53/1,266,086.92
  6. Step 6: Final answer
    x = 479,187.20

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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.