Home / 1,218,164.27-1,681,081.49-674,350.31

Finding the Fourth Proportional to 1,218,164.27, 1,681,081.49 and 674,350.31

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Solution

The fourth proportional to 1,218,164.27, 1,681,081.49 and 674,350.31 is: 930,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,164.27 : 1,681,081.49 = 674,350.31 : x
  2. Step 2: Convert to fraction form
    1,218,164.27/1,681,081.49 = 674,350.31/x
  3. Step 3: Cross multiply
    1,218,164.27x = 1,681,081.49 × 674,350.31
  4. Step 4: Simplify right side
    1,218,164.27x = 1,133,637,829,805.34
  5. Step 5: Solve for x
    x = 1,133,637,829,805.34/1,218,164.27
  6. Step 6: Final answer
    x = 930,611.63

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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.