Home / 1,520,216.71-2,280,679.74-440,751.78

Finding the Fourth Proportional to 1,520,216.71, 2,280,679.74 and 440,751.78

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Solution

The fourth proportional to 1,520,216.71, 2,280,679.74 and 440,751.78 is: 661,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,216.71 : 2,280,679.74 = 440,751.78 : x
  2. Step 2: Convert to fraction form
    1,520,216.71/2,280,679.74 = 440,751.78/x
  3. Step 3: Cross multiply
    1,520,216.71x = 2,280,679.74 × 440,751.78
  4. Step 4: Simplify right side
    1,520,216.71x = 1,005,213,655,014.94
  5. Step 5: Solve for x
    x = 1,005,213,655,014.94/1,520,216.71
  6. Step 6: Final answer
    x = 661,230.50

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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.