Home / 1,928,681.28-2,893,043.79-730,278.18

Finding the Fourth Proportional to 1,928,681.28, 2,893,043.79 and 730,278.18

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Solution

The fourth proportional to 1,928,681.28, 2,893,043.79 and 730,278.18 is: 1,095,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,681.28 : 2,893,043.79 = 730,278.18 : x
  2. Step 2: Convert to fraction form
    1,928,681.28/2,893,043.79 = 730,278.18/x
  3. Step 3: Cross multiply
    1,928,681.28x = 2,893,043.79 × 730,278.18
  4. Step 4: Simplify right side
    1,928,681.28x = 2,112,726,753,621.50
  5. Step 5: Solve for x
    x = 2,112,726,753,621.50/1,928,681.28
  6. Step 6: Final answer
    x = 1,095,425.55

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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.