Home / 1,218,167.78-1,827,246.70-307,352.38

Finding the Fourth Proportional to 1,218,167.78, 1,827,246.70 and 307,352.38

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Solution

The fourth proportional to 1,218,167.78, 1,827,246.70 and 307,352.38 is: 461,027.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,167.78 : 1,827,246.70 = 307,352.38 : x
  2. Step 2: Convert to fraction form
    1,218,167.78/1,827,246.70 = 307,352.38/x
  3. Step 3: Cross multiply
    1,218,167.78x = 1,827,246.70 × 307,352.38
  4. Step 4: Simplify right side
    1,218,167.78x = 561,608,622,092.15
  5. Step 5: Solve for x
    x = 561,608,622,092.15/1,218,167.78
  6. Step 6: Final answer
    x = 461,027.32

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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.