Home / 1,338,077.88-2,006,694-439,371.54

Finding the Fourth Proportional to 1,338,077.88, 2,006,694 and 439,371.54

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Solution

The fourth proportional to 1,338,077.88, 2,006,694 and 439,371.54 is: 658,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,077.88 : 2,006,694 = 439,371.54 : x
  2. Step 2: Convert to fraction form
    1,338,077.88/2,006,694 = 439,371.54/x
  3. Step 3: Cross multiply
    1,338,077.88x = 2,006,694 × 439,371.54
  4. Step 4: Simplify right side
    1,338,077.88x = 881,684,233,088.76
  5. Step 5: Solve for x
    x = 881,684,233,088.76/1,338,077.88
  6. Step 6: Final answer
    x = 658,918.47

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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.