Home / 1,369,169.75-1,889,327.45-757,309.34

Finding the Fourth Proportional to 1,369,169.75, 1,889,327.45 and 757,309.34

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Solution

The fourth proportional to 1,369,169.75, 1,889,327.45 and 757,309.34 is: 1,045,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,169.75 : 1,889,327.45 = 757,309.34 : x
  2. Step 2: Convert to fraction form
    1,369,169.75/1,889,327.45 = 757,309.34/x
  3. Step 3: Cross multiply
    1,369,169.75x = 1,889,327.45 × 757,309.34
  4. Step 4: Simplify right side
    1,369,169.75x = 1,430,805,328,458.32
  5. Step 5: Solve for x
    x = 1,430,805,328,458.32/1,369,169.75
  6. Step 6: Final answer
    x = 1,045,016.76

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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.