Home / 1,003,806.36-1,377,568.80-996,720.48

Finding the Fourth Proportional to 1,003,806.36, 1,377,568.80 and 996,720.48

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Solution

The fourth proportional to 1,003,806.36, 1,377,568.80 and 996,720.48 is: 1,367,844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,806.36 : 1,377,568.80 = 996,720.48 : x
  2. Step 2: Convert to fraction form
    1,003,806.36/1,377,568.80 = 996,720.48/x
  3. Step 3: Cross multiply
    1,003,806.36x = 1,377,568.80 × 996,720.48
  4. Step 4: Simplify right side
    1,003,806.36x = 1,373,051,035,569.02
  5. Step 5: Solve for x
    x = 1,373,051,035,569.02/1,003,806.36
  6. Step 6: Final answer
    x = 1,367,844.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.