Home / 1,310,646.35-1,807,760.27-874,843.97

Finding the Fourth Proportional to 1,310,646.35, 1,807,760.27 and 874,843.97

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Solution

The fourth proportional to 1,310,646.35, 1,807,760.27 and 874,843.97 is: 1,206,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,646.35 : 1,807,760.27 = 874,843.97 : x
  2. Step 2: Convert to fraction form
    1,310,646.35/1,807,760.27 = 874,843.97/x
  3. Step 3: Cross multiply
    1,310,646.35x = 1,807,760.27 × 874,843.97
  4. Step 4: Simplify right side
    1,310,646.35x = 1,581,508,171,415.07
  5. Step 5: Solve for x
    x = 1,581,508,171,415.07/1,310,646.35
  6. Step 6: Final answer
    x = 1,206,662.78

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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.