Home / 1,345,736.31-1,857,063.96-765,035.52

Finding the Fourth Proportional to 1,345,736.31, 1,857,063.96 and 765,035.52

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Solution

The fourth proportional to 1,345,736.31, 1,857,063.96 and 765,035.52 is: 1,055,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,736.31 : 1,857,063.96 = 765,035.52 : x
  2. Step 2: Convert to fraction form
    1,345,736.31/1,857,063.96 = 765,035.52/x
  3. Step 3: Cross multiply
    1,345,736.31x = 1,857,063.96 × 765,035.52
  4. Step 4: Simplify right side
    1,345,736.31x = 1,420,719,892,311.86
  5. Step 5: Solve for x
    x = 1,420,719,892,311.86/1,345,736.31
  6. Step 6: Final answer
    x = 1,055,719.37

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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.