Home / 1,013,997.24-1,399,316.20-561,288.24

Finding the Fourth Proportional to 1,013,997.24, 1,399,316.20 and 561,288.24

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Solution

The fourth proportional to 1,013,997.24, 1,399,316.20 and 561,288.24 is: 774,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,997.24 : 1,399,316.20 = 561,288.24 : x
  2. Step 2: Convert to fraction form
    1,013,997.24/1,399,316.20 = 561,288.24/x
  3. Step 3: Cross multiply
    1,013,997.24x = 1,399,316.20 × 561,288.24
  4. Step 4: Simplify right side
    1,013,997.24x = 785,419,727,101.49
  5. Step 5: Solve for x
    x = 785,419,727,101.49/1,013,997.24
  6. Step 6: Final answer
    x = 774,577.78

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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.