Home / 815,675.25-1,125,178.30-757,943.51

Finding the Fourth Proportional to 815,675.25, 1,125,178.30 and 757,943.51

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Solution

The fourth proportional to 815,675.25, 1,125,178.30 and 757,943.51 is: 1,045,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,675.25 : 1,125,178.30 = 757,943.51 : x
  2. Step 2: Convert to fraction form
    815,675.25/1,125,178.30 = 757,943.51/x
  3. Step 3: Cross multiply
    815,675.25x = 1,125,178.30 × 757,943.51
  4. Step 4: Simplify right side
    815,675.25x = 852,821,590,077.83
  5. Step 5: Solve for x
    x = 852,821,590,077.83/815,675.25
  6. Step 6: Final answer
    x = 1,045,540.60

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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.