Home / 1,320,449.77-1,981,410.59-713,225.82

Finding the Fourth Proportional to 1,320,449.77, 1,981,410.59 and 713,225.82

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Solution

The fourth proportional to 1,320,449.77, 1,981,410.59 and 713,225.82 is: 1,070,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,449.77 : 1,981,410.59 = 713,225.82 : x
  2. Step 2: Convert to fraction form
    1,320,449.77/1,981,410.59 = 713,225.82/x
  3. Step 3: Cross multiply
    1,320,449.77x = 1,981,410.59 × 713,225.82
  4. Step 4: Simplify right side
    1,320,449.77x = 1,413,193,192,809.43
  5. Step 5: Solve for x
    x = 1,413,193,192,809.43/1,320,449.77
  6. Step 6: Final answer
    x = 1,070,236.24

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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.