Home / 1,757,172.42-2,635,028.55-858,353.22

Finding the Fourth Proportional to 1,757,172.42, 2,635,028.55 and 858,353.22

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Solution

The fourth proportional to 1,757,172.42, 2,635,028.55 and 858,353.22 is: 1,287,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757,172.42 : 2,635,028.55 = 858,353.22 : x
  2. Step 2: Convert to fraction form
    1,757,172.42/2,635,028.55 = 858,353.22/x
  3. Step 3: Cross multiply
    1,757,172.42x = 2,635,028.55 × 858,353.22
  4. Step 4: Simplify right side
    1,757,172.42x = 2,261,785,240,684.43
  5. Step 5: Solve for x
    x = 2,261,785,240,684.43/1,757,172.42
  6. Step 6: Final answer
    x = 1,287,173.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.