Home / 1,206,499.20-1,809,971.28-396,929.20

Finding the Fourth Proportional to 1,206,499.20, 1,809,971.28 and 396,929.20

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Solution

The fourth proportional to 1,206,499.20, 1,809,971.28 and 396,929.20 is: 595,466.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,499.20 : 1,809,971.28 = 396,929.20 : x
  2. Step 2: Convert to fraction form
    1,206,499.20/1,809,971.28 = 396,929.20/x
  3. Step 3: Cross multiply
    1,206,499.20x = 1,809,971.28 × 396,929.20
  4. Step 4: Simplify right side
    1,206,499.20x = 718,430,452,193.38
  5. Step 5: Solve for x
    x = 718,430,452,193.38/1,206,499.20
  6. Step 6: Final answer
    x = 595,466.99

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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.