Home / 1,381,183.39-1,905,935.10-760,961.46

Finding the Fourth Proportional to 1,381,183.39, 1,905,935.10 and 760,961.46

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Solution

The fourth proportional to 1,381,183.39, 1,905,935.10 and 760,961.46 is: 1,050,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,183.39 : 1,905,935.10 = 760,961.46 : x
  2. Step 2: Convert to fraction form
    1,381,183.39/1,905,935.10 = 760,961.46/x
  3. Step 3: Cross multiply
    1,381,183.39x = 1,905,935.10 × 760,961.46
  4. Step 4: Simplify right side
    1,381,183.39x = 1,450,343,156,361.25
  5. Step 5: Solve for x
    x = 1,450,343,156,361.25/1,381,183.39
  6. Step 6: Final answer
    x = 1,050,072.84

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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.