Home / 815,787.51-1,217,693.07-755,668.24

Finding the Fourth Proportional to 815,787.51, 1,217,693.07 and 755,668.24

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Solution

The fourth proportional to 815,787.51, 1,217,693.07 and 755,668.24 is: 1,127,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,787.51 : 1,217,693.07 = 755,668.24 : x
  2. Step 2: Convert to fraction form
    815,787.51/1,217,693.07 = 755,668.24/x
  3. Step 3: Cross multiply
    815,787.51x = 1,217,693.07 × 755,668.24
  4. Step 4: Simplify right side
    815,787.51x = 920,171,979,067.10
  5. Step 5: Solve for x
    x = 920,171,979,067.10/815,787.51
  6. Step 6: Final answer
    x = 1,127,955.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.