Home / 984,778.12-1,360,114.81-661,927.71

Finding the Fourth Proportional to 984,778.12, 1,360,114.81 and 661,927.71

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Solution

The fourth proportional to 984,778.12, 1,360,114.81 and 661,927.71 is: 914,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,778.12 : 1,360,114.81 = 661,927.71 : x
  2. Step 2: Convert to fraction form
    984,778.12/1,360,114.81 = 661,927.71/x
  3. Step 3: Cross multiply
    984,778.12x = 1,360,114.81 × 661,927.71
  4. Step 4: Simplify right side
    984,778.12x = 900,297,687,758.54
  5. Step 5: Solve for x
    x = 900,297,687,758.54/984,778.12
  6. Step 6: Final answer
    x = 914,213.74

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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.