Home / 1,342,425.28-1,852,629.57-769,551.58

Finding the Fourth Proportional to 1,342,425.28, 1,852,629.57 and 769,551.58

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Solution

The fourth proportional to 1,342,425.28, 1,852,629.57 and 769,551.58 is: 1,062,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,425.28 : 1,852,629.57 = 769,551.58 : x
  2. Step 2: Convert to fraction form
    1,342,425.28/1,852,629.57 = 769,551.58/x
  3. Step 3: Cross multiply
    1,342,425.28x = 1,852,629.57 × 769,551.58
  4. Step 4: Simplify right side
    1,342,425.28x = 1,425,694,012,748.22
  5. Step 5: Solve for x
    x = 1,425,694,012,748.22/1,342,425.28
  6. Step 6: Final answer
    x = 1,062,028.58

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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.