Home / 1,531,349.21-2,297,129.54-520,058.54

Finding the Fourth Proportional to 1,531,349.21, 2,297,129.54 and 520,058.54

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Solution

The fourth proportional to 1,531,349.21, 2,297,129.54 and 520,058.54 is: 780,123.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,349.21 : 2,297,129.54 = 520,058.54 : x
  2. Step 2: Convert to fraction form
    1,531,349.21/2,297,129.54 = 520,058.54/x
  3. Step 3: Cross multiply
    1,531,349.21x = 2,297,129.54 × 520,058.54
  4. Step 4: Simplify right side
    1,531,349.21x = 1,194,641,820,677.33
  5. Step 5: Solve for x
    x = 1,194,641,820,677.33/1,531,349.21
  6. Step 6: Final answer
    x = 780,123.71

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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.