Home / 1,268,916.18-1,902,613.94-403,977.30

Finding the Fourth Proportional to 1,268,916.18, 1,902,613.94 and 403,977.30

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Solution

The fourth proportional to 1,268,916.18, 1,902,613.94 and 403,977.30 is: 605,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,916.18 : 1,902,613.94 = 403,977.30 : x
  2. Step 2: Convert to fraction form
    1,268,916.18/1,902,613.94 = 403,977.30/x
  3. Step 3: Cross multiply
    1,268,916.18x = 1,902,613.94 × 403,977.30
  4. Step 4: Simplify right side
    1,268,916.18x = 768,612,843,433.51
  5. Step 5: Solve for x
    x = 768,612,843,433.51/1,268,916.18
  6. Step 6: Final answer
    x = 605,723.89

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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.