Home / 1,228,782.90-1,696,447.88-1,092,440.26

Finding the Fourth Proportional to 1,228,782.90, 1,696,447.88 and 1,092,440.26

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Solution

The fourth proportional to 1,228,782.90, 1,696,447.88 and 1,092,440.26 is: 1,508,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,782.90 : 1,696,447.88 = 1,092,440.26 : x
  2. Step 2: Convert to fraction form
    1,228,782.90/1,696,447.88 = 1,092,440.26/x
  3. Step 3: Cross multiply
    1,228,782.90x = 1,696,447.88 × 1,092,440.26
  4. Step 4: Simplify right side
    1,228,782.90x = 1,853,267,963,858.66
  5. Step 5: Solve for x
    x = 1,853,267,963,858.66/1,228,782.90
  6. Step 6: Final answer
    x = 1,508,214.31

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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.