Home / 1,100,782.59-1,517,673.78-712,912.74

Finding the Fourth Proportional to 1,100,782.59, 1,517,673.78 and 712,912.74

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Solution

The fourth proportional to 1,100,782.59, 1,517,673.78 and 712,912.74 is: 982,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,782.59 : 1,517,673.78 = 712,912.74 : x
  2. Step 2: Convert to fraction form
    1,100,782.59/1,517,673.78 = 712,912.74/x
  3. Step 3: Cross multiply
    1,100,782.59x = 1,517,673.78 × 712,912.74
  4. Step 4: Simplify right side
    1,100,782.59x = 1,081,968,972,925.96
  5. Step 5: Solve for x
    x = 1,081,968,972,925.96/1,100,782.59
  6. Step 6: Final answer
    x = 982,908.87

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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.