Home / 1,266,042.06-1,899,063.09-424,591.38

Finding the Fourth Proportional to 1,266,042.06, 1,899,063.09 and 424,591.38

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Solution

The fourth proportional to 1,266,042.06, 1,899,063.09 and 424,591.38 is: 636,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,042.06 : 1,899,063.09 = 424,591.38 : x
  2. Step 2: Convert to fraction form
    1,266,042.06/1,899,063.09 = 424,591.38/x
  3. Step 3: Cross multiply
    1,266,042.06x = 1,899,063.09 × 424,591.38
  4. Step 4: Simplify right side
    1,266,042.06x = 806,325,818,090.16
  5. Step 5: Solve for x
    x = 806,325,818,090.16/1,266,042.06
  6. Step 6: Final answer
    x = 636,887.07

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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.