Home / 1,061,555.20-1,465,067.19-631,836.70

Finding the Fourth Proportional to 1,061,555.20, 1,465,067.19 and 631,836.70

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Solution

The fourth proportional to 1,061,555.20, 1,465,067.19 and 631,836.70 is: 872,006.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,555.20 : 1,465,067.19 = 631,836.70 : x
  2. Step 2: Convert to fraction form
    1,061,555.20/1,465,067.19 = 631,836.70/x
  3. Step 3: Cross multiply
    1,061,555.20x = 1,465,067.19 × 631,836.70
  4. Step 4: Simplify right side
    1,061,555.20x = 925,683,218,607.87
  5. Step 5: Solve for x
    x = 925,683,218,607.87/1,061,555.20
  6. Step 6: Final answer
    x = 872,006.67

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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.