Home / 1,340,992.32-1,850,414.08-767,998.24

Finding the Fourth Proportional to 1,340,992.32, 1,850,414.08 and 767,998.24

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Solution

The fourth proportional to 1,340,992.32, 1,850,414.08 and 767,998.24 is: 1,059,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,992.32 : 1,850,414.08 = 767,998.24 : x
  2. Step 2: Convert to fraction form
    1,340,992.32/1,850,414.08 = 767,998.24/x
  3. Step 3: Cross multiply
    1,340,992.32x = 1,850,414.08 × 767,998.24
  4. Step 4: Simplify right side
    1,340,992.32x = 1,421,114,756,711.22
  5. Step 5: Solve for x
    x = 1,421,114,756,711.22/1,340,992.32
  6. Step 6: Final answer
    x = 1,059,748.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.