Home / 1,356,161.88-1,871,506.85-744,319.47

Finding the Fourth Proportional to 1,356,161.88, 1,871,506.85 and 744,319.47

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Solution

The fourth proportional to 1,356,161.88, 1,871,506.85 and 744,319.47 is: 1,027,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,161.88 : 1,871,506.85 = 744,319.47 : x
  2. Step 2: Convert to fraction form
    1,356,161.88/1,871,506.85 = 744,319.47/x
  3. Step 3: Cross multiply
    1,356,161.88x = 1,871,506.85 × 744,319.47
  4. Step 4: Simplify right side
    1,356,161.88x = 1,392,998,982,971.77
  5. Step 5: Solve for x
    x = 1,392,998,982,971.77/1,356,161.88
  6. Step 6: Final answer
    x = 1,027,162.76

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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.