Home / 1,309,320.77-1,806,591.76-765,351.29

Finding the Fourth Proportional to 1,309,320.77, 1,806,591.76 and 765,351.29

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Solution

The fourth proportional to 1,309,320.77, 1,806,591.76 and 765,351.29 is: 1,056,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,320.77 : 1,806,591.76 = 765,351.29 : x
  2. Step 2: Convert to fraction form
    1,309,320.77/1,806,591.76 = 765,351.29/x
  3. Step 3: Cross multiply
    1,309,320.77x = 1,806,591.76 × 765,351.29
  4. Step 4: Simplify right side
    1,309,320.77x = 1,382,677,336,622.47
  5. Step 5: Solve for x
    x = 1,382,677,336,622.47/1,309,320.77
  6. Step 6: Final answer
    x = 1,056,026.43

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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.