Home / 1,199,128.51-1,797,803.38-725,701.33

Finding the Fourth Proportional to 1,199,128.51, 1,797,803.38 and 725,701.33

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Solution

The fourth proportional to 1,199,128.51, 1,797,803.38 and 725,701.33 is: 1,088,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,128.51 : 1,797,803.38 = 725,701.33 : x
  2. Step 2: Convert to fraction form
    1,199,128.51/1,797,803.38 = 725,701.33/x
  3. Step 3: Cross multiply
    1,199,128.51x = 1,797,803.38 × 725,701.33
  4. Step 4: Simplify right side
    1,199,128.51x = 1,304,668,303,944.50
  5. Step 5: Solve for x
    x = 1,304,668,303,944.50/1,199,128.51
  6. Step 6: Final answer
    x = 1,088,013.75

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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.