Home / 1,361,581.70-1,878,996.65-749,791.35

Finding the Fourth Proportional to 1,361,581.70, 1,878,996.65 and 749,791.35

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Solution

The fourth proportional to 1,361,581.70, 1,878,996.65 and 749,791.35 is: 1,034,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,581.70 : 1,878,996.65 = 749,791.35 : x
  2. Step 2: Convert to fraction form
    1,361,581.70/1,878,996.65 = 749,791.35/x
  3. Step 3: Cross multiply
    1,361,581.70x = 1,878,996.65 × 749,791.35
  4. Step 4: Simplify right side
    1,361,581.70x = 1,408,855,431,100.02
  5. Step 5: Solve for x
    x = 1,408,855,431,100.02/1,361,581.70
  6. Step 6: Final answer
    x = 1,034,719.72

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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.