Home / 1,815,422.40-2,723,133.60-485,726.40

Finding the Fourth Proportional to 1,815,422.40, 2,723,133.60 and 485,726.40

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Solution

The fourth proportional to 1,815,422.40, 2,723,133.60 and 485,726.40 is: 728,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,422.40 : 2,723,133.60 = 485,726.40 : x
  2. Step 2: Convert to fraction form
    1,815,422.40/2,723,133.60 = 485,726.40/x
  3. Step 3: Cross multiply
    1,815,422.40x = 2,723,133.60 × 485,726.40
  4. Step 4: Simplify right side
    1,815,422.40x = 1,322,697,880,247.04
  5. Step 5: Solve for x
    x = 1,322,697,880,247.04/1,815,422.40
  6. Step 6: Final answer
    x = 728,589.60

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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.