Home / 1,220,941.32-1,682,957.08-962,399.04

Finding the Fourth Proportional to 1,220,941.32, 1,682,957.08 and 962,399.04

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Solution

The fourth proportional to 1,220,941.32, 1,682,957.08 and 962,399.04 is: 1,326,579.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,941.32 : 1,682,957.08 = 962,399.04 : x
  2. Step 2: Convert to fraction form
    1,220,941.32/1,682,957.08 = 962,399.04/x
  3. Step 3: Cross multiply
    1,220,941.32x = 1,682,957.08 × 962,399.04
  4. Step 4: Simplify right side
    1,220,941.32x = 1,619,676,278,153.20
  5. Step 5: Solve for x
    x = 1,619,676,278,153.20/1,220,941.32
  6. Step 6: Final answer
    x = 1,326,579.95

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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.