Home / 1,307,805.12-1,961,732.40-361,201.04

Finding the Fourth Proportional to 1,307,805.12, 1,961,732.40 and 361,201.04

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Solution

The fourth proportional to 1,307,805.12, 1,961,732.40 and 361,201.04 is: 541,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,805.12 : 1,961,732.40 = 361,201.04 : x
  2. Step 2: Convert to fraction form
    1,307,805.12/1,961,732.40 = 361,201.04/x
  3. Step 3: Cross multiply
    1,307,805.12x = 1,961,732.40 × 361,201.04
  4. Step 4: Simplify right side
    1,307,805.12x = 708,579,783,081.70
  5. Step 5: Solve for x
    x = 708,579,783,081.70/1,307,805.12
  6. Step 6: Final answer
    x = 541,808.39

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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.