Home / 1,004,105.28-1,385,318.93-641,741.25

Finding the Fourth Proportional to 1,004,105.28, 1,385,318.93 and 641,741.25

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Solution

The fourth proportional to 1,004,105.28, 1,385,318.93 and 641,741.25 is: 885,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,105.28 : 1,385,318.93 = 641,741.25 : x
  2. Step 2: Convert to fraction form
    1,004,105.28/1,385,318.93 = 641,741.25/x
  3. Step 3: Cross multiply
    1,004,105.28x = 1,385,318.93 × 641,741.25
  4. Step 4: Simplify right side
    1,004,105.28x = 889,016,298,578.16
  5. Step 5: Solve for x
    x = 889,016,298,578.16/1,004,105.28
  6. Step 6: Final answer
    x = 885,381.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.