Home / 1,520,201.42-2,280,656.96-440,736.49

Finding the Fourth Proportional to 1,520,201.42, 2,280,656.96 and 440,736.49

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Solution

The fourth proportional to 1,520,201.42, 2,280,656.96 and 440,736.49 is: 661,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,201.42 : 2,280,656.96 = 440,736.49 : x
  2. Step 2: Convert to fraction form
    1,520,201.42/2,280,656.96 = 440,736.49/x
  3. Step 3: Cross multiply
    1,520,201.42x = 2,280,656.96 × 440,736.49
  4. Step 4: Simplify right side
    1,520,201.42x = 1,005,168,745,744.37
  5. Step 5: Solve for x
    x = 1,005,168,745,744.37/1,520,201.42
  6. Step 6: Final answer
    x = 661,207.61

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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.