Home / 1,381,081.16-1,905,231.89-1,073,049.50

Finding the Fourth Proportional to 1,381,081.16, 1,905,231.89 and 1,073,049.50

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Solution

The fourth proportional to 1,381,081.16, 1,905,231.89 and 1,073,049.50 is: 1,480,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,081.16 : 1,905,231.89 = 1,073,049.50 : x
  2. Step 2: Convert to fraction form
    1,381,081.16/1,905,231.89 = 1,073,049.50/x
  3. Step 3: Cross multiply
    1,381,081.16x = 1,905,231.89 × 1,073,049.50
  4. Step 4: Simplify right side
    1,381,081.16x = 2,044,408,130,544.72
  5. Step 5: Solve for x
    x = 2,044,408,130,544.72/1,381,081.16
  6. Step 6: Final answer
    x = 1,480,295.43

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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.