Home / 1,422,762.16-1,963,474.68-819,344.56

Finding the Fourth Proportional to 1,422,762.16, 1,963,474.68 and 819,344.56

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Solution

The fourth proportional to 1,422,762.16, 1,963,474.68 and 819,344.56 is: 1,130,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,762.16 : 1,963,474.68 = 819,344.56 : x
  2. Step 2: Convert to fraction form
    1,422,762.16/1,963,474.68 = 819,344.56/x
  3. Step 3: Cross multiply
    1,422,762.16x = 1,963,474.68 × 819,344.56
  4. Step 4: Simplify right side
    1,422,762.16x = 1,608,762,297,755.74
  5. Step 5: Solve for x
    x = 1,608,762,297,755.74/1,422,762.16
  6. Step 6: Final answer
    x = 1,130,731.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.