Home / 1,170,874.68-1,615,683.42-661,478.68

Finding the Fourth Proportional to 1,170,874.68, 1,615,683.42 and 661,478.68

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Solution

The fourth proportional to 1,170,874.68, 1,615,683.42 and 661,478.68 is: 912,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,874.68 : 1,615,683.42 = 661,478.68 : x
  2. Step 2: Convert to fraction form
    1,170,874.68/1,615,683.42 = 661,478.68/x
  3. Step 3: Cross multiply
    1,170,874.68x = 1,615,683.42 × 661,478.68
  4. Step 4: Simplify right side
    1,170,874.68x = 1,068,740,135,959.49
  5. Step 5: Solve for x
    x = 1,068,740,135,959.49/1,170,874.68
  6. Step 6: Final answer
    x = 912,770.73

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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.