Home / 1,190,839.57-1,786,260.75-326,281.82

Finding the Fourth Proportional to 1,190,839.57, 1,786,260.75 and 326,281.82

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Solution

The fourth proportional to 1,190,839.57, 1,786,260.75 and 326,281.82 is: 489,423.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,839.57 : 1,786,260.75 = 326,281.82 : x
  2. Step 2: Convert to fraction form
    1,190,839.57/1,786,260.75 = 326,281.82/x
  3. Step 3: Cross multiply
    1,190,839.57x = 1,786,260.75 × 326,281.82
  4. Step 4: Simplify right side
    1,190,839.57x = 582,824,410,232.76
  5. Step 5: Solve for x
    x = 582,824,410,232.76/1,190,839.57
  6. Step 6: Final answer
    x = 489,423.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.