Home / 1,338,542.28-2,007,058.90-439,742.69

Finding the Fourth Proportional to 1,338,542.28, 2,007,058.90 and 439,742.69

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Solution

The fourth proportional to 1,338,542.28, 2,007,058.90 and 439,742.69 is: 659,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,542.28 : 2,007,058.90 = 439,742.69 : x
  2. Step 2: Convert to fraction form
    1,338,542.28/2,007,058.90 = 439,742.69/x
  3. Step 3: Cross multiply
    1,338,542.28x = 2,007,058.90 × 439,742.69
  4. Step 4: Simplify right side
    1,338,542.28x = 882,589,479,674.44
  5. Step 5: Solve for x
    x = 882,589,479,674.44/1,338,542.28
  6. Step 6: Final answer
    x = 659,366.16

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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.