Home / 1,274,450.72-1,757,846.36-838,729.24

Finding the Fourth Proportional to 1,274,450.72, 1,757,846.36 and 838,729.24

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Solution

The fourth proportional to 1,274,450.72, 1,757,846.36 and 838,729.24 is: 1,156,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,450.72 : 1,757,846.36 = 838,729.24 : x
  2. Step 2: Convert to fraction form
    1,274,450.72/1,757,846.36 = 838,729.24/x
  3. Step 3: Cross multiply
    1,274,450.72x = 1,757,846.36 × 838,729.24
  4. Step 4: Simplify right side
    1,274,450.72x = 1,474,357,139,261.77
  5. Step 5: Solve for x
    x = 1,474,357,139,261.77/1,274,450.72
  6. Step 6: Final answer
    x = 1,156,856.93

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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.