Home / 1,192,492.60-1,645,490.10-806,148.42

Finding the Fourth Proportional to 1,192,492.60, 1,645,490.10 and 806,148.42

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Solution

The fourth proportional to 1,192,492.60, 1,645,490.10 and 806,148.42 is: 1,112,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,492.60 : 1,645,490.10 = 806,148.42 : x
  2. Step 2: Convert to fraction form
    1,192,492.60/1,645,490.10 = 806,148.42/x
  3. Step 3: Cross multiply
    1,192,492.60x = 1,645,490.10 × 806,148.42
  4. Step 4: Simplify right side
    1,192,492.60x = 1,326,509,244,240.64
  5. Step 5: Solve for x
    x = 1,326,509,244,240.64/1,192,492.60
  6. Step 6: Final answer
    x = 1,112,383.63

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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.