Home / 1,085,627.80-1,499,627.28-834,122.80

Finding the Fourth Proportional to 1,085,627.80, 1,499,627.28 and 834,122.80

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Solution

The fourth proportional to 1,085,627.80, 1,499,627.28 and 834,122.80 is: 1,152,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,627.80 : 1,499,627.28 = 834,122.80 : x
  2. Step 2: Convert to fraction form
    1,085,627.80/1,499,627.28 = 834,122.80/x
  3. Step 3: Cross multiply
    1,085,627.80x = 1,499,627.28 × 834,122.80
  4. Step 4: Simplify right side
    1,085,627.80x = 1,250,873,305,749.98
  5. Step 5: Solve for x
    x = 1,250,873,305,749.98/1,085,627.80
  6. Step 6: Final answer
    x = 1,152,211.93

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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.