Home / 1,815,432.16-2,723,143.92-485,736.16

Finding the Fourth Proportional to 1,815,432.16, 2,723,143.92 and 485,736.16

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Solution

The fourth proportional to 1,815,432.16, 2,723,143.92 and 485,736.16 is: 728,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,432.16 : 2,723,143.92 = 485,736.16 : x
  2. Step 2: Convert to fraction form
    1,815,432.16/2,723,143.92 = 485,736.16/x
  3. Step 3: Cross multiply
    1,815,432.16x = 2,723,143.92 × 485,736.16
  4. Step 4: Simplify right side
    1,815,432.16x = 1,322,729,470,828.15
  5. Step 5: Solve for x
    x = 1,322,729,470,828.15/1,815,432.16
  6. Step 6: Final answer
    x = 728,603.08

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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.