Home / 1,478,998.20-2,217,201.30-1,004,143.80

Finding the Fourth Proportional to 1,478,998.20, 2,217,201.30 and 1,004,143.80

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Solution

The fourth proportional to 1,478,998.20, 2,217,201.30 and 1,004,143.80 is: 1,505,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,998.20 : 2,217,201.30 = 1,004,143.80 : x
  2. Step 2: Convert to fraction form
    1,478,998.20/2,217,201.30 = 1,004,143.80/x
  3. Step 3: Cross multiply
    1,478,998.20x = 2,217,201.30 × 1,004,143.80
  4. Step 4: Simplify right side
    1,478,998.20x = 2,226,388,938,746.94
  5. Step 5: Solve for x
    x = 2,226,388,938,746.94/1,478,998.20
  6. Step 6: Final answer
    x = 1,505,335.80

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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.