Home / 1,351,284.56-2,027,626.68-980,369.36

Finding the Fourth Proportional to 1,351,284.56, 2,027,626.68 and 980,369.36

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Solution

The fourth proportional to 1,351,284.56, 2,027,626.68 and 980,369.36 is: 1,471,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,284.56 : 2,027,626.68 = 980,369.36 : x
  2. Step 2: Convert to fraction form
    1,351,284.56/2,027,626.68 = 980,369.36/x
  3. Step 3: Cross multiply
    1,351,284.56x = 2,027,626.68 × 980,369.36
  4. Step 4: Simplify right side
    1,351,284.56x = 1,987,823,070,590.52
  5. Step 5: Solve for x
    x = 1,987,823,070,590.52/1,351,284.56
  6. Step 6: Final answer
    x = 1,471,061.78

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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.