Home / 1,384,005.40-2,076,008.10-849,794.20

Finding the Fourth Proportional to 1,384,005.40, 2,076,008.10 and 849,794.20

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Solution

The fourth proportional to 1,384,005.40, 2,076,008.10 and 849,794.20 is: 1,274,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,005.40 : 2,076,008.10 = 849,794.20 : x
  2. Step 2: Convert to fraction form
    1,384,005.40/2,076,008.10 = 849,794.20/x
  3. Step 3: Cross multiply
    1,384,005.40x = 2,076,008.10 × 849,794.20
  4. Step 4: Simplify right side
    1,384,005.40x = 1,764,179,642,533.02
  5. Step 5: Solve for x
    x = 1,764,179,642,533.02/1,384,005.40
  6. Step 6: Final answer
    x = 1,274,691.30

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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.