Home / 2,856,604.80-4,284,931.44-726,690.72

Finding the Fourth Proportional to 2,856,604.80, 4,284,931.44 and 726,690.72

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Solution

The fourth proportional to 2,856,604.80, 4,284,931.44 and 726,690.72 is: 1,090,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,604.80 : 4,284,931.44 = 726,690.72 : x
  2. Step 2: Convert to fraction form
    2,856,604.80/4,284,931.44 = 726,690.72/x
  3. Step 3: Cross multiply
    2,856,604.80x = 4,284,931.44 × 726,690.72
  4. Step 4: Simplify right side
    2,856,604.80x = 3,113,819,913,284.24
  5. Step 5: Solve for x
    x = 3,113,819,913,284.24/2,856,604.80
  6. Step 6: Final answer
    x = 1,090,042.25

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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.