Home / 1,542,335.76-2,309,479.56-1,241,171.28

Finding the Fourth Proportional to 1,542,335.76, 2,309,479.56 and 1,241,171.28

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Solution

The fourth proportional to 1,542,335.76, 2,309,479.56 and 1,241,171.28 is: 1,858,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,335.76 : 2,309,479.56 = 1,241,171.28 : x
  2. Step 2: Convert to fraction form
    1,542,335.76/2,309,479.56 = 1,241,171.28/x
  3. Step 3: Cross multiply
    1,542,335.76x = 2,309,479.56 × 1,241,171.28
  4. Step 4: Simplify right side
    1,542,335.76x = 2,866,459,701,619.04
  5. Step 5: Solve for x
    x = 2,866,459,701,619.04/1,542,335.76
  6. Step 6: Final answer
    x = 1,858,518.60

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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.