Home / 1,326,396.06-1,989,714.38-366,911.78

Finding the Fourth Proportional to 1,326,396.06, 1,989,714.38 and 366,911.78

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Solution

The fourth proportional to 1,326,396.06, 1,989,714.38 and 366,911.78 is: 550,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,396.06 : 1,989,714.38 = 366,911.78 : x
  2. Step 2: Convert to fraction form
    1,326,396.06/1,989,714.38 = 366,911.78/x
  3. Step 3: Cross multiply
    1,326,396.06x = 1,989,714.38 × 366,911.78
  4. Step 4: Simplify right side
    1,326,396.06x = 730,049,633,074.27
  5. Step 5: Solve for x
    x = 730,049,633,074.27/1,326,396.06
  6. Step 6: Final answer
    x = 550,400.94

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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.