Home / 1,422,717.33-1,963,230.70-802,488.23

Finding the Fourth Proportional to 1,422,717.33, 1,963,230.70 and 802,488.23

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Solution

The fourth proportional to 1,422,717.33, 1,963,230.70 and 802,488.23 is: 1,107,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,717.33 : 1,963,230.70 = 802,488.23 : x
  2. Step 2: Convert to fraction form
    1,422,717.33/1,963,230.70 = 802,488.23/x
  3. Step 3: Cross multiply
    1,422,717.33x = 1,963,230.70 × 802,488.23
  4. Step 4: Simplify right side
    1,422,717.33x = 1,575,469,526,569.07
  5. Step 5: Solve for x
    x = 1,575,469,526,569.07/1,422,717.33
  6. Step 6: Final answer
    x = 1,107,366.51

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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.