Home / 1,211,291.82-1,815,559.92-736,931.52

Finding the Fourth Proportional to 1,211,291.82, 1,815,559.92 and 736,931.52

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Solution

The fourth proportional to 1,211,291.82, 1,815,559.92 and 736,931.52 is: 1,104,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,291.82 : 1,815,559.92 = 736,931.52 : x
  2. Step 2: Convert to fraction form
    1,211,291.82/1,815,559.92 = 736,931.52/x
  3. Step 3: Cross multiply
    1,211,291.82x = 1,815,559.92 × 736,931.52
  4. Step 4: Simplify right side
    1,211,291.82x = 1,337,943,331,496.68
  5. Step 5: Solve for x
    x = 1,337,943,331,496.68/1,211,291.82
  6. Step 6: Final answer
    x = 1,104,559.04

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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.