Home / 1,286,890.02-1,775,170.38-802,614.41

Finding the Fourth Proportional to 1,286,890.02, 1,775,170.38 and 802,614.41

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Solution

The fourth proportional to 1,286,890.02, 1,775,170.38 and 802,614.41 is: 1,107,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,890.02 : 1,775,170.38 = 802,614.41 : x
  2. Step 2: Convert to fraction form
    1,286,890.02/1,775,170.38 = 802,614.41/x
  3. Step 3: Cross multiply
    1,286,890.02x = 1,775,170.38 × 802,614.41
  4. Step 4: Simplify right side
    1,286,890.02x = 1,424,777,318,317.32
  5. Step 5: Solve for x
    x = 1,424,777,318,317.32/1,286,890.02
  6. Step 6: Final answer
    x = 1,107,147.69

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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.