Home / 1,394,279.08-2,090,975.75-447,428.36

Finding the Fourth Proportional to 1,394,279.08, 2,090,975.75 and 447,428.36

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Solution

The fourth proportional to 1,394,279.08, 2,090,975.75 and 447,428.36 is: 671,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,279.08 : 2,090,975.75 = 447,428.36 : x
  2. Step 2: Convert to fraction form
    1,394,279.08/2,090,975.75 = 447,428.36/x
  3. Step 3: Cross multiply
    1,394,279.08x = 2,090,975.75 × 447,428.36
  4. Step 4: Simplify right side
    1,394,279.08x = 935,561,856,968.28
  5. Step 5: Solve for x
    x = 935,561,856,968.28/1,394,279.08
  6. Step 6: Final answer
    x = 671,000.43

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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.