Home / 1,004,731.08-1,507,145.82-405,617.55

Finding the Fourth Proportional to 1,004,731.08, 1,507,145.82 and 405,617.55

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Solution

The fourth proportional to 1,004,731.08, 1,507,145.82 and 405,617.55 is: 608,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,731.08 : 1,507,145.82 = 405,617.55 : x
  2. Step 2: Convert to fraction form
    1,004,731.08/1,507,145.82 = 405,617.55/x
  3. Step 3: Cross multiply
    1,004,731.08x = 1,507,145.82 × 405,617.55
  4. Step 4: Simplify right side
    1,004,731.08x = 611,324,795,001.14
  5. Step 5: Solve for x
    x = 611,324,795,001.14/1,004,731.08
  6. Step 6: Final answer
    x = 608,446.19

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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.