Home / 1,547,871.72-2,135,945.88-868,677

Finding the Fourth Proportional to 1,547,871.72, 2,135,945.88 and 868,677

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Solution

The fourth proportional to 1,547,871.72, 2,135,945.88 and 868,677 is: 1,198,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,871.72 : 2,135,945.88 = 868,677 : x
  2. Step 2: Convert to fraction form
    1,547,871.72/2,135,945.88 = 868,677/x
  3. Step 3: Cross multiply
    1,547,871.72x = 2,135,945.88 × 868,677
  4. Step 4: Simplify right side
    1,547,871.72x = 1,855,447,059,200.76
  5. Step 5: Solve for x
    x = 1,855,447,059,200.76/1,547,871.72
  6. Step 6: Final answer
    x = 1,198,708.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.