Home / 1,266,069.78-1,899,096.45-319,441.41

Finding the Fourth Proportional to 1,266,069.78, 1,899,096.45 and 319,441.41

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Solution

The fourth proportional to 1,266,069.78, 1,899,096.45 and 319,441.41 is: 479,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,069.78 : 1,899,096.45 = 319,441.41 : x
  2. Step 2: Convert to fraction form
    1,266,069.78/1,899,096.45 = 319,441.41/x
  3. Step 3: Cross multiply
    1,266,069.78x = 1,899,096.45 × 319,441.41
  4. Step 4: Simplify right side
    1,266,069.78x = 606,650,047,713.99
  5. Step 5: Solve for x
    x = 606,650,047,713.99/1,266,069.78
  6. Step 6: Final answer
    x = 479,160.04

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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.