Home / 1,243,410.20-1,865,115.30-1,222,674.20

Finding the Fourth Proportional to 1,243,410.20, 1,865,115.30 and 1,222,674.20

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Solution

The fourth proportional to 1,243,410.20, 1,865,115.30 and 1,222,674.20 is: 1,834,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,410.20 : 1,865,115.30 = 1,222,674.20 : x
  2. Step 2: Convert to fraction form
    1,243,410.20/1,865,115.30 = 1,222,674.20/x
  3. Step 3: Cross multiply
    1,243,410.20x = 1,865,115.30 × 1,222,674.20
  4. Step 4: Simplify right side
    1,243,410.20x = 2,280,428,357,335.26
  5. Step 5: Solve for x
    x = 2,280,428,357,335.26/1,243,410.20
  6. Step 6: Final answer
    x = 1,834,011.30

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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.