Home / 1,270,113.39-1,754,211.17-836,469.22

Finding the Fourth Proportional to 1,270,113.39, 1,754,211.17 and 836,469.22

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Solution

The fourth proportional to 1,270,113.39, 1,754,211.17 and 836,469.22 is: 1,155,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,113.39 : 1,754,211.17 = 836,469.22 : x
  2. Step 2: Convert to fraction form
    1,270,113.39/1,754,211.17 = 836,469.22/x
  3. Step 3: Cross multiply
    1,270,113.39x = 1,754,211.17 × 836,469.22
  4. Step 4: Simplify right side
    1,270,113.39x = 1,467,343,649,288.37
  5. Step 5: Solve for x
    x = 1,467,343,649,288.37/1,270,113.39
  6. Step 6: Final answer
    x = 1,155,285.55

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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.