Home / 1,295,920.10-1,788,370.50-722,960.27

Finding the Fourth Proportional to 1,295,920.10, 1,788,370.50 and 722,960.27

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Solution

The fourth proportional to 1,295,920.10, 1,788,370.50 and 722,960.27 is: 997,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,920.10 : 1,788,370.50 = 722,960.27 : x
  2. Step 2: Convert to fraction form
    1,295,920.10/1,788,370.50 = 722,960.27/x
  3. Step 3: Cross multiply
    1,295,920.10x = 1,788,370.50 × 722,960.27
  4. Step 4: Simplify right side
    1,295,920.10x = 1,292,920,810,598.18
  5. Step 5: Solve for x
    x = 1,292,920,810,598.18/1,295,920.10
  6. Step 6: Final answer
    x = 997,685.59

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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.