Home / 1,436,285.08-1,982,086.74-791,728.30

Finding the Fourth Proportional to 1,436,285.08, 1,982,086.74 and 791,728.30

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Solution

The fourth proportional to 1,436,285.08, 1,982,086.74 and 791,728.30 is: 1,092,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,285.08 : 1,982,086.74 = 791,728.30 : x
  2. Step 2: Convert to fraction form
    1,436,285.08/1,982,086.74 = 791,728.30/x
  3. Step 3: Cross multiply
    1,436,285.08x = 1,982,086.74 × 791,728.30
  4. Step 4: Simplify right side
    1,436,285.08x = 1,569,274,165,112.74
  5. Step 5: Solve for x
    x = 1,569,274,165,112.74/1,436,285.08
  6. Step 6: Final answer
    x = 1,092,592.40

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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.