Home / 1,439,137.24-2,158,311.78-540,509.46

Finding the Fourth Proportional to 1,439,137.24, 2,158,311.78 and 540,509.46

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Solution

The fourth proportional to 1,439,137.24, 2,158,311.78 and 540,509.46 is: 810,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,137.24 : 2,158,311.78 = 540,509.46 : x
  2. Step 2: Convert to fraction form
    1,439,137.24/2,158,311.78 = 540,509.46/x
  3. Step 3: Cross multiply
    1,439,137.24x = 2,158,311.78 × 540,509.46
  4. Step 4: Simplify right side
    1,439,137.24x = 1,166,587,934,719.44
  5. Step 5: Solve for x
    x = 1,166,587,934,719.44/1,439,137.24
  6. Step 6: Final answer
    x = 810,616.18

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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.