Home / 1,215,969.77-1,815,050.43-1,072,323.97

Finding the Fourth Proportional to 1,215,969.77, 1,815,050.43 and 1,072,323.97

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Solution

The fourth proportional to 1,215,969.77, 1,815,050.43 and 1,072,323.97 is: 1,600,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,969.77 : 1,815,050.43 = 1,072,323.97 : x
  2. Step 2: Convert to fraction form
    1,215,969.77/1,815,050.43 = 1,072,323.97/x
  3. Step 3: Cross multiply
    1,215,969.77x = 1,815,050.43 × 1,072,323.97
  4. Step 4: Simplify right side
    1,215,969.77x = 1,946,322,078,310.18
  5. Step 5: Solve for x
    x = 1,946,322,078,310.18/1,215,969.77
  6. Step 6: Final answer
    x = 1,600,633.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.