Home / 1,295,920.35-1,788,370.85-722,960.52

Finding the Fourth Proportional to 1,295,920.35, 1,788,370.85 and 722,960.52

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Solution

The fourth proportional to 1,295,920.35, 1,788,370.85 and 722,960.52 is: 997,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,920.35 : 1,788,370.85 = 722,960.52 : x
  2. Step 2: Convert to fraction form
    1,295,920.35/1,788,370.85 = 722,960.52/x
  3. Step 3: Cross multiply
    1,295,920.35x = 1,788,370.85 × 722,960.52
  4. Step 4: Simplify right side
    1,295,920.35x = 1,292,921,507,112.19
  5. Step 5: Solve for x
    x = 1,292,921,507,112.19/1,295,920.35
  6. Step 6: Final answer
    x = 997,685.94

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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.