Home / 1,013,836.68-1,399,138.80-561,127.56

Finding the Fourth Proportional to 1,013,836.68, 1,399,138.80 and 561,127.56

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Solution

The fourth proportional to 1,013,836.68, 1,399,138.80 and 561,127.56 is: 774,380.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,836.68 : 1,399,138.80 = 561,127.56 : x
  2. Step 2: Convert to fraction form
    1,013,836.68/1,399,138.80 = 561,127.56/x
  3. Step 3: Cross multiply
    1,013,836.68x = 1,399,138.80 × 561,127.56
  4. Step 4: Simplify right side
    1,013,836.68x = 785,095,340,945.33
  5. Step 5: Solve for x
    x = 785,095,340,945.33/1,013,836.68
  6. Step 6: Final answer
    x = 774,380.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.