Home / 1,384,269.92-2,076,391.80-437,640.56

Finding the Fourth Proportional to 1,384,269.92, 2,076,391.80 and 437,640.56

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Solution

The fourth proportional to 1,384,269.92, 2,076,391.80 and 437,640.56 is: 656,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,269.92 : 2,076,391.80 = 437,640.56 : x
  2. Step 2: Convert to fraction form
    1,384,269.92/2,076,391.80 = 437,640.56/x
  3. Step 3: Cross multiply
    1,384,269.92x = 2,076,391.80 × 437,640.56
  4. Step 4: Simplify right side
    1,384,269.92x = 908,713,270,131.41
  5. Step 5: Solve for x
    x = 908,713,270,131.41/1,384,269.92
  6. Step 6: Final answer
    x = 656,456.70

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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.