Home / 1,684,621.10-2,526,180.78-486,258.50

Finding the Fourth Proportional to 1,684,621.10, 2,526,180.78 and 486,258.50

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Solution

The fourth proportional to 1,684,621.10, 2,526,180.78 and 486,258.50 is: 729,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,621.10 : 2,526,180.78 = 486,258.50 : x
  2. Step 2: Convert to fraction form
    1,684,621.10/2,526,180.78 = 486,258.50/x
  3. Step 3: Cross multiply
    1,684,621.10x = 2,526,180.78 × 486,258.50
  4. Step 4: Simplify right side
    1,684,621.10x = 1,228,376,876,811.63
  5. Step 5: Solve for x
    x = 1,228,376,876,811.63/1,684,621.10
  6. Step 6: Final answer
    x = 729,171.01

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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.