Home / 1,800,563.79-2,697,847.02-1,266,963.78

Finding the Fourth Proportional to 1,800,563.79, 2,697,847.02 and 1,266,963.78

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Solution

The fourth proportional to 1,800,563.79, 2,697,847.02 and 1,266,963.78 is: 1,898,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,563.79 : 2,697,847.02 = 1,266,963.78 : x
  2. Step 2: Convert to fraction form
    1,800,563.79/2,697,847.02 = 1,266,963.78/x
  3. Step 3: Cross multiply
    1,800,563.79x = 2,697,847.02 × 1,266,963.78
  4. Step 4: Simplify right side
    1,800,563.79x = 3,418,074,458,320.94
  5. Step 5: Solve for x
    x = 3,418,074,458,320.94/1,800,563.79
  6. Step 6: Final answer
    x = 1,898,335.66

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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.