Home / 1,384,123.80-2,076,185.70-824,251.80

Finding the Fourth Proportional to 1,384,123.80, 2,076,185.70 and 824,251.80

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Solution

The fourth proportional to 1,384,123.80, 2,076,185.70 and 824,251.80 is: 1,236,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,123.80 : 2,076,185.70 = 824,251.80 : x
  2. Step 2: Convert to fraction form
    1,384,123.80/2,076,185.70 = 824,251.80/x
  3. Step 3: Cross multiply
    1,384,123.80x = 2,076,185.70 × 824,251.80
  4. Step 4: Simplify right side
    1,384,123.80x = 1,711,299,800,359.26
  5. Step 5: Solve for x
    x = 1,711,299,800,359.26/1,384,123.80
  6. Step 6: Final answer
    x = 1,236,377.70

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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.