Home / 1,356,039.83-1,871,329.10-744,202.49

Finding the Fourth Proportional to 1,356,039.83, 1,871,329.10 and 744,202.49

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Solution

The fourth proportional to 1,356,039.83, 1,871,329.10 and 744,202.49 is: 1,026,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,039.83 : 1,871,329.10 = 744,202.49 : x
  2. Step 2: Convert to fraction form
    1,356,039.83/1,871,329.10 = 744,202.49/x
  3. Step 3: Cross multiply
    1,356,039.83x = 1,871,329.10 × 744,202.49
  4. Step 4: Simplify right side
    1,356,039.83x = 1,392,647,769,031.01
  5. Step 5: Solve for x
    x = 1,392,647,769,031.01/1,356,039.83
  6. Step 6: Final answer
    x = 1,026,996.21

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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.