Home / 1,384,192.80-2,076,289.20-824,320.80

Finding the Fourth Proportional to 1,384,192.80, 2,076,289.20 and 824,320.80

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Solution

The fourth proportional to 1,384,192.80, 2,076,289.20 and 824,320.80 is: 1,236,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,192.80 : 2,076,289.20 = 824,320.80 : x
  2. Step 2: Convert to fraction form
    1,384,192.80/2,076,289.20 = 824,320.80/x
  3. Step 3: Cross multiply
    1,384,192.80x = 2,076,289.20 × 824,320.80
  4. Step 4: Simplify right side
    1,384,192.80x = 1,711,528,374,375.36
  5. Step 5: Solve for x
    x = 1,711,528,374,375.36/1,384,192.80
  6. Step 6: Final answer
    x = 1,236,481.20

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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.