Home / 1,478,271.80-2,214,297.30-1,229,439.80

Finding the Fourth Proportional to 1,478,271.80, 2,214,297.30 and 1,229,439.80

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Solution

The fourth proportional to 1,478,271.80, 2,214,297.30 and 1,229,439.80 is: 1,841,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,271.80 : 2,214,297.30 = 1,229,439.80 : x
  2. Step 2: Convert to fraction form
    1,478,271.80/2,214,297.30 = 1,229,439.80/x
  3. Step 3: Cross multiply
    1,478,271.80x = 2,214,297.30 × 1,229,439.80
  4. Step 4: Simplify right side
    1,478,271.80x = 2,722,345,229,652.54
  5. Step 5: Solve for x
    x = 2,722,345,229,652.54/1,478,271.80
  6. Step 6: Final answer
    x = 1,841,572.86

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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.