Home / 1,192,263.42-1,644,490.71-809,625.90

Finding the Fourth Proportional to 1,192,263.42, 1,644,490.71 and 809,625.90

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Solution

The fourth proportional to 1,192,263.42, 1,644,490.71 and 809,625.90 is: 1,116,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,263.42 : 1,644,490.71 = 809,625.90 : x
  2. Step 2: Convert to fraction form
    1,192,263.42/1,644,490.71 = 809,625.90/x
  3. Step 3: Cross multiply
    1,192,263.42x = 1,644,490.71 × 809,625.90
  4. Step 4: Simplify right side
    1,192,263.42x = 1,331,422,271,125.39
  5. Step 5: Solve for x
    x = 1,331,422,271,125.39/1,192,263.42
  6. Step 6: Final answer
    x = 1,116,718.21

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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.