Home / 1,427,789.54-2,140,821.46-669,797.22

Finding the Fourth Proportional to 1,427,789.54, 2,140,821.46 and 669,797.22

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Solution

The fourth proportional to 1,427,789.54, 2,140,821.46 and 669,797.22 is: 1,004,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,789.54 : 2,140,821.46 = 669,797.22 : x
  2. Step 2: Convert to fraction form
    1,427,789.54/2,140,821.46 = 669,797.22/x
  3. Step 3: Cross multiply
    1,427,789.54x = 2,140,821.46 × 669,797.22
  4. Step 4: Simplify right side
    1,427,789.54x = 1,433,916,262,424.34
  5. Step 5: Solve for x
    x = 1,433,916,262,424.34/1,427,789.54
  6. Step 6: Final answer
    x = 1,004,291.05

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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.