Home / 1,668,447.25-2,302,475.33-980,148.11

Finding the Fourth Proportional to 1,668,447.25, 2,302,475.33 and 980,148.11

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Solution

The fourth proportional to 1,668,447.25, 2,302,475.33 and 980,148.11 is: 1,352,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,447.25 : 2,302,475.33 = 980,148.11 : x
  2. Step 2: Convert to fraction form
    1,668,447.25/2,302,475.33 = 980,148.11/x
  3. Step 3: Cross multiply
    1,668,447.25x = 2,302,475.33 × 980,148.11
  4. Step 4: Simplify right side
    1,668,447.25x = 2,256,766,843,876.57
  5. Step 5: Solve for x
    x = 2,256,766,843,876.57/1,668,447.25
  6. Step 6: Final answer
    x = 1,352,615.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.