Home / 1,310,709.09-1,963,544.82-803,791.88

Finding the Fourth Proportional to 1,310,709.09, 1,963,544.82 and 803,791.88

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Solution

The fourth proportional to 1,310,709.09, 1,963,544.82 and 803,791.88 is: 1,204,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,709.09 : 1,963,544.82 = 803,791.88 : x
  2. Step 2: Convert to fraction form
    1,310,709.09/1,963,544.82 = 803,791.88/x
  3. Step 3: Cross multiply
    1,310,709.09x = 1,963,544.82 × 803,791.88
  4. Step 4: Simplify right side
    1,310,709.09x = 1,578,281,387,240.92
  5. Step 5: Solve for x
    x = 1,578,281,387,240.92/1,310,709.09
  6. Step 6: Final answer
    x = 1,204,143.16

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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.