Home / 1,384,021.80-2,076,032.70-849,810.60

Finding the Fourth Proportional to 1,384,021.80, 2,076,032.70 and 849,810.60

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Solution

The fourth proportional to 1,384,021.80, 2,076,032.70 and 849,810.60 is: 1,274,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,021.80 : 2,076,032.70 = 849,810.60 : x
  2. Step 2: Convert to fraction form
    1,384,021.80/2,076,032.70 = 849,810.60/x
  3. Step 3: Cross multiply
    1,384,021.80x = 2,076,032.70 × 849,810.60
  4. Step 4: Simplify right side
    1,384,021.80x = 1,764,234,594,406.62
  5. Step 5: Solve for x
    x = 1,764,234,594,406.62/1,384,021.80
  6. Step 6: Final answer
    x = 1,274,715.90

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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.