Home / 2,660,425.60-3,991,228.08-767,019.28

Finding the Fourth Proportional to 2,660,425.60, 3,991,228.08 and 767,019.28

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Solution

The fourth proportional to 2,660,425.60, 3,991,228.08 and 767,019.28 is: 1,150,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,425.60 : 3,991,228.08 = 767,019.28 : x
  2. Step 2: Convert to fraction form
    2,660,425.60/3,991,228.08 = 767,019.28/x
  3. Step 3: Cross multiply
    2,660,425.60x = 3,991,228.08 × 767,019.28
  4. Step 4: Simplify right side
    2,660,425.60x = 3,061,348,888,237.38
  5. Step 5: Solve for x
    x = 3,061,348,888,237.38/2,660,425.60
  6. Step 6: Final answer
    x = 1,150,698.93

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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.