Home / 1,360,231.20-2,040,346.80-961,650.45

Finding the Fourth Proportional to 1,360,231.20, 2,040,346.80 and 961,650.45

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Solution

The fourth proportional to 1,360,231.20, 2,040,346.80 and 961,650.45 is: 1,442,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,231.20 : 2,040,346.80 = 961,650.45 : x
  2. Step 2: Convert to fraction form
    1,360,231.20/2,040,346.80 = 961,650.45/x
  3. Step 3: Cross multiply
    1,360,231.20x = 2,040,346.80 × 961,650.45
  4. Step 4: Simplify right side
    1,360,231.20x = 1,962,100,418,376.06
  5. Step 5: Solve for x
    x = 1,962,100,418,376.06/1,360,231.20
  6. Step 6: Final answer
    x = 1,442,475.68

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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.