Home / 1,424,512.85-1,965,749.85-779,808.33

Finding the Fourth Proportional to 1,424,512.85, 1,965,749.85 and 779,808.33

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Solution

The fourth proportional to 1,424,512.85, 1,965,749.85 and 779,808.33 is: 1,076,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,512.85 : 1,965,749.85 = 779,808.33 : x
  2. Step 2: Convert to fraction form
    1,424,512.85/1,965,749.85 = 779,808.33/x
  3. Step 3: Cross multiply
    1,424,512.85x = 1,965,749.85 × 779,808.33
  4. Step 4: Simplify right side
    1,424,512.85x = 1,532,908,107,726.25
  5. Step 5: Solve for x
    x = 1,532,908,107,726.25/1,424,512.85
  6. Step 6: Final answer
    x = 1,076,092.86

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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.