Home / 1,222,917.26-1,687,247.36-706,482.69

Finding the Fourth Proportional to 1,222,917.26, 1,687,247.36 and 706,482.69

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Solution

The fourth proportional to 1,222,917.26, 1,687,247.36 and 706,482.69 is: 974,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,917.26 : 1,687,247.36 = 706,482.69 : x
  2. Step 2: Convert to fraction form
    1,222,917.26/1,687,247.36 = 706,482.69/x
  3. Step 3: Cross multiply
    1,222,917.26x = 1,687,247.36 × 706,482.69
  4. Step 4: Simplify right side
    1,222,917.26x = 1,192,011,053,588.20
  5. Step 5: Solve for x
    x = 1,192,011,053,588.20/1,222,917.26
  6. Step 6: Final answer
    x = 974,727.48

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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.