Home / 1,721,985.12-2,583,558.96-762,308.36

Finding the Fourth Proportional to 1,721,985.12, 2,583,558.96 and 762,308.36

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Solution

The fourth proportional to 1,721,985.12, 2,583,558.96 and 762,308.36 is: 1,143,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,985.12 : 2,583,558.96 = 762,308.36 : x
  2. Step 2: Convert to fraction form
    1,721,985.12/2,583,558.96 = 762,308.36/x
  3. Step 3: Cross multiply
    1,721,985.12x = 2,583,558.96 × 762,308.36
  4. Step 4: Simplify right side
    1,721,985.12x = 1,969,468,593,760.91
  5. Step 5: Solve for x
    x = 1,969,468,593,760.91/1,721,985.12
  6. Step 6: Final answer
    x = 1,143,719.87

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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.