Home / 1,132,887.79-1,699,331.70-422,971.19

Finding the Fourth Proportional to 1,132,887.79, 1,699,331.70 and 422,971.19

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Solution

The fourth proportional to 1,132,887.79, 1,699,331.70 and 422,971.19 is: 634,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,887.79 : 1,699,331.70 = 422,971.19 : x
  2. Step 2: Convert to fraction form
    1,132,887.79/1,699,331.70 = 422,971.19/x
  3. Step 3: Cross multiply
    1,132,887.79x = 1,699,331.70 × 422,971.19
  4. Step 4: Simplify right side
    1,132,887.79x = 718,768,350,815.70
  5. Step 5: Solve for x
    x = 718,768,350,815.70/1,132,887.79
  6. Step 6: Final answer
    x = 634,456.79

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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.