Home / 1,112,546.10-1,535,343.80-629,183.53

Finding the Fourth Proportional to 1,112,546.10, 1,535,343.80 and 629,183.53

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Solution

The fourth proportional to 1,112,546.10, 1,535,343.80 and 629,183.53 is: 868,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,546.10 : 1,535,343.80 = 629,183.53 : x
  2. Step 2: Convert to fraction form
    1,112,546.10/1,535,343.80 = 629,183.53/x
  3. Step 3: Cross multiply
    1,112,546.10x = 1,535,343.80 × 629,183.53
  4. Step 4: Simplify right side
    1,112,546.10x = 966,013,031,847.61
  5. Step 5: Solve for x
    x = 966,013,031,847.61/1,112,546.10
  6. Step 6: Final answer
    x = 868,290.34

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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.