Home / 1,336,971.26-2,005,260.06-438,507.92

Finding the Fourth Proportional to 1,336,971.26, 2,005,260.06 and 438,507.92

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Solution

The fourth proportional to 1,336,971.26, 2,005,260.06 and 438,507.92 is: 657,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,971.26 : 2,005,260.06 = 438,507.92 : x
  2. Step 2: Convert to fraction form
    1,336,971.26/2,005,260.06 = 438,507.92/x
  3. Step 3: Cross multiply
    1,336,971.26x = 2,005,260.06 × 438,507.92
  4. Step 4: Simplify right side
    1,336,971.26x = 879,322,417,969.68
  5. Step 5: Solve for x
    x = 879,322,417,969.68/1,336,971.26
  6. Step 6: Final answer
    x = 657,697.32

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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.