Home / 1,286,890.08-1,775,170.46-802,614.46

Finding the Fourth Proportional to 1,286,890.08, 1,775,170.46 and 802,614.46

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Solution

The fourth proportional to 1,286,890.08, 1,775,170.46 and 802,614.46 is: 1,107,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,890.08 : 1,775,170.46 = 802,614.46 : x
  2. Step 2: Convert to fraction form
    1,286,890.08/1,775,170.46 = 802,614.46/x
  3. Step 3: Cross multiply
    1,286,890.08x = 1,775,170.46 × 802,614.46
  4. Step 4: Simplify right side
    1,286,890.08x = 1,424,777,480,160.85
  5. Step 5: Solve for x
    x = 1,424,777,480,160.85/1,286,890.08
  6. Step 6: Final answer
    x = 1,107,147.77

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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.