Home / 1,828,131.72-2,742,452.93-762,929.88

Finding the Fourth Proportional to 1,828,131.72, 2,742,452.93 and 762,929.88

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Solution

The fourth proportional to 1,828,131.72, 2,742,452.93 and 762,929.88 is: 1,144,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,131.72 : 2,742,452.93 = 762,929.88 : x
  2. Step 2: Convert to fraction form
    1,828,131.72/2,742,452.93 = 762,929.88/x
  3. Step 3: Cross multiply
    1,828,131.72x = 2,742,452.93 × 762,929.88
  4. Step 4: Simplify right side
    1,828,131.72x = 2,092,299,284,790.55
  5. Step 5: Solve for x
    x = 2,092,299,284,790.55/1,828,131.72
  6. Step 6: Final answer
    x = 1,144,501.38

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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.