Home / 1,035,481.72-1,429,164.42-627,806.84

Finding the Fourth Proportional to 1,035,481.72, 1,429,164.42 and 627,806.84

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Solution

The fourth proportional to 1,035,481.72, 1,429,164.42 and 627,806.84 is: 866,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,481.72 : 1,429,164.42 = 627,806.84 : x
  2. Step 2: Convert to fraction form
    1,035,481.72/1,429,164.42 = 627,806.84/x
  3. Step 3: Cross multiply
    1,035,481.72x = 1,429,164.42 × 627,806.84
  4. Step 4: Simplify right side
    1,035,481.72x = 897,239,198,360.63
  5. Step 5: Solve for x
    x = 897,239,198,360.63/1,035,481.72
  6. Step 6: Final answer
    x = 866,494.49

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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.