Home / 1,266,028.56-1,899,042.84-424,577.88

Finding the Fourth Proportional to 1,266,028.56, 1,899,042.84 and 424,577.88

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Solution

The fourth proportional to 1,266,028.56, 1,899,042.84 and 424,577.88 is: 636,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,028.56 : 1,899,042.84 = 424,577.88 : x
  2. Step 2: Convert to fraction form
    1,266,028.56/1,899,042.84 = 424,577.88/x
  3. Step 3: Cross multiply
    1,266,028.56x = 1,899,042.84 × 424,577.88
  4. Step 4: Simplify right side
    1,266,028.56x = 806,291,583,036.38
  5. Step 5: Solve for x
    x = 806,291,583,036.38/1,266,028.56
  6. Step 6: Final answer
    x = 636,866.82

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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.