Home / 1,828,141.72-2,742,467.96-762,939.88

Finding the Fourth Proportional to 1,828,141.72, 2,742,467.96 and 762,939.88

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Solution

The fourth proportional to 1,828,141.72, 2,742,467.96 and 762,939.88 is: 1,144,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,141.72 : 2,742,467.96 = 762,939.88 : x
  2. Step 2: Convert to fraction form
    1,828,141.72/2,742,467.96 = 762,939.88/x
  3. Step 3: Cross multiply
    1,828,141.72x = 2,742,467.96 × 762,939.88
  4. Step 4: Simplify right side
    1,828,141.72x = 2,092,338,176,306.25
  5. Step 5: Solve for x
    x = 2,092,338,176,306.25/1,828,141.72
  6. Step 6: Final answer
    x = 1,144,516.40

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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.