Home / 1,381,475.36-1,906,407.06-769,627.28

Finding the Fourth Proportional to 1,381,475.36, 1,906,407.06 and 769,627.28

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Solution

The fourth proportional to 1,381,475.36, 1,906,407.06 and 769,627.28 is: 1,062,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,475.36 : 1,906,407.06 = 769,627.28 : x
  2. Step 2: Convert to fraction form
    1,381,475.36/1,906,407.06 = 769,627.28/x
  3. Step 3: Cross multiply
    1,381,475.36x = 1,906,407.06 × 769,627.28
  4. Step 4: Simplify right side
    1,381,475.36x = 1,467,222,880,160.60
  5. Step 5: Solve for x
    x = 1,467,222,880,160.60/1,381,475.36
  6. Step 6: Final answer
    x = 1,062,069.53

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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.