Home / 1,132,560.37-1,699,134.59-422,593.75

Finding the Fourth Proportional to 1,132,560.37, 1,699,134.59 and 422,593.75

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Solution

The fourth proportional to 1,132,560.37, 1,699,134.59 and 422,593.75 is: 634,000.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,560.37 : 1,699,134.59 = 422,593.75 : x
  2. Step 2: Convert to fraction form
    1,132,560.37/1,699,134.59 = 422,593.75/x
  3. Step 3: Cross multiply
    1,132,560.37x = 1,699,134.59 × 422,593.75
  4. Step 4: Simplify right side
    1,132,560.37x = 718,043,658,142.81
  5. Step 5: Solve for x
    x = 718,043,658,142.81/1,132,560.37
  6. Step 6: Final answer
    x = 634,000.34

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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.