Home / 1,137,862.30-1,707,135.96-339,143.78

Finding the Fourth Proportional to 1,137,862.30, 1,707,135.96 and 339,143.78

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Solution

The fourth proportional to 1,137,862.30, 1,707,135.96 and 339,143.78 is: 508,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,862.30 : 1,707,135.96 = 339,143.78 : x
  2. Step 2: Convert to fraction form
    1,137,862.30/1,707,135.96 = 339,143.78/x
  3. Step 3: Cross multiply
    1,137,862.30x = 1,707,135.96 × 339,143.78
  4. Step 4: Simplify right side
    1,137,862.30x = 578,964,542,448.33
  5. Step 5: Solve for x
    x = 578,964,542,448.33/1,137,862.30
  6. Step 6: Final answer
    x = 508,817.76

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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.