Home / 1,192,159.76-1,645,223.64-682,960.55

Finding the Fourth Proportional to 1,192,159.76, 1,645,223.64 and 682,960.55

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Solution

The fourth proportional to 1,192,159.76, 1,645,223.64 and 682,960.55 is: 942,510.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,159.76 : 1,645,223.64 = 682,960.55 : x
  2. Step 2: Convert to fraction form
    1,192,159.76/1,645,223.64 = 682,960.55/x
  3. Step 3: Cross multiply
    1,192,159.76x = 1,645,223.64 × 682,960.55
  4. Step 4: Simplify right side
    1,192,159.76x = 1,123,622,831,260.18
  5. Step 5: Solve for x
    x = 1,123,622,831,260.18/1,192,159.76
  6. Step 6: Final answer
    x = 942,510.29

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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.