Home / 2,663,515.76-3,995,390.28-770,448.56

Finding the Fourth Proportional to 2,663,515.76, 3,995,390.28 and 770,448.56

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Solution

The fourth proportional to 2,663,515.76, 3,995,390.28 and 770,448.56 is: 1,155,706.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,515.76 : 3,995,390.28 = 770,448.56 : x
  2. Step 2: Convert to fraction form
    2,663,515.76/3,995,390.28 = 770,448.56/x
  3. Step 3: Cross multiply
    2,663,515.76x = 3,995,390.28 × 770,448.56
  4. Step 4: Simplify right side
    2,663,515.76x = 3,078,242,687,864.00
  5. Step 5: Solve for x
    x = 3,078,242,687,864.00/2,663,515.76
  6. Step 6: Final answer
    x = 1,155,706.58

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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.