Home / 1,307,415.42-1,804,233.44-726,638.46

Finding the Fourth Proportional to 1,307,415.42, 1,804,233.44 and 726,638.46

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Solution

The fourth proportional to 1,307,415.42, 1,804,233.44 and 726,638.46 is: 1,002,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,415.42 : 1,804,233.44 = 726,638.46 : x
  2. Step 2: Convert to fraction form
    1,307,415.42/1,804,233.44 = 726,638.46/x
  3. Step 3: Cross multiply
    1,307,415.42x = 1,804,233.44 × 726,638.46
  4. Step 4: Simplify right side
    1,307,415.42x = 1,311,025,408,322.10
  5. Step 5: Solve for x
    x = 1,311,025,408,322.10/1,307,415.42
  6. Step 6: Final answer
    x = 1,002,761.16

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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.