Home / 1,320,392.04-1,981,323.83-713,168.11

Finding the Fourth Proportional to 1,320,392.04, 1,981,323.83 and 713,168.11

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Solution

The fourth proportional to 1,320,392.04, 1,981,323.83 and 713,168.11 is: 1,070,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,392.04 : 1,981,323.83 = 713,168.11 : x
  2. Step 2: Convert to fraction form
    1,320,392.04/1,981,323.83 = 713,168.11/x
  3. Step 3: Cross multiply
    1,320,392.04x = 1,981,323.83 × 713,168.11
  4. Step 4: Simplify right side
    1,320,392.04x = 1,413,016,971,139.06
  5. Step 5: Solve for x
    x = 1,413,016,971,139.06/1,320,392.04
  6. Step 6: Final answer
    x = 1,070,149.57

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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.