Home / 1,078,912.80-1,616,986.80-960,026.40

Finding the Fourth Proportional to 1,078,912.80, 1,616,986.80 and 960,026.40

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Solution

The fourth proportional to 1,078,912.80, 1,616,986.80 and 960,026.40 is: 1,438,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,912.80 : 1,616,986.80 = 960,026.40 : x
  2. Step 2: Convert to fraction form
    1,078,912.80/1,616,986.80 = 960,026.40/x
  3. Step 3: Cross multiply
    1,078,912.80x = 1,616,986.80 × 960,026.40
  4. Step 4: Simplify right side
    1,078,912.80x = 1,552,350,016,451.52
  5. Step 5: Solve for x
    x = 1,552,350,016,451.52/1,078,912.80
  6. Step 6: Final answer
    x = 1,438,809.53

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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.