Home / 1,356,044.13-1,871,344.35-744,201.72

Finding the Fourth Proportional to 1,356,044.13, 1,871,344.35 and 744,201.72

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Solution

The fourth proportional to 1,356,044.13, 1,871,344.35 and 744,201.72 is: 1,027,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,044.13 : 1,871,344.35 = 744,201.72 : x
  2. Step 2: Convert to fraction form
    1,356,044.13/1,871,344.35 = 744,201.72/x
  3. Step 3: Cross multiply
    1,356,044.13x = 1,871,344.35 × 744,201.72
  4. Step 4: Simplify right side
    1,356,044.13x = 1,392,657,683,982.28
  5. Step 5: Solve for x
    x = 1,392,657,683,982.28/1,356,044.13
  6. Step 6: Final answer
    x = 1,027,000.27

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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.