Home / 1,147,475.54-1,721,446.59-399,579.86

Finding the Fourth Proportional to 1,147,475.54, 1,721,446.59 and 399,579.86

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Solution

The fourth proportional to 1,147,475.54, 1,721,446.59 and 399,579.86 is: 599,451.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,475.54 : 1,721,446.59 = 399,579.86 : x
  2. Step 2: Convert to fraction form
    1,147,475.54/1,721,446.59 = 399,579.86/x
  3. Step 3: Cross multiply
    1,147,475.54x = 1,721,446.59 × 399,579.86
  4. Step 4: Simplify right side
    1,147,475.54x = 687,855,387,429.68
  5. Step 5: Solve for x
    x = 687,855,387,429.68/1,147,475.54
  6. Step 6: Final answer
    x = 599,451.02

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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.