Home / 1,384,185.10-2,076,277.65-814,981.90

Finding the Fourth Proportional to 1,384,185.10, 2,076,277.65 and 814,981.90

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Solution

The fourth proportional to 1,384,185.10, 2,076,277.65 and 814,981.90 is: 1,222,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,185.10 : 2,076,277.65 = 814,981.90 : x
  2. Step 2: Convert to fraction form
    1,384,185.10/2,076,277.65 = 814,981.90/x
  3. Step 3: Cross multiply
    1,384,185.10x = 2,076,277.65 × 814,981.90
  4. Step 4: Simplify right side
    1,384,185.10x = 1,692,128,704,124.54
  5. Step 5: Solve for x
    x = 1,692,128,704,124.54/1,384,185.10
  6. Step 6: Final answer
    x = 1,222,472.85

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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.