Home / 1,229,733.96-1,844,863.56-431,064.24

Finding the Fourth Proportional to 1,229,733.96, 1,844,863.56 and 431,064.24

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Solution

The fourth proportional to 1,229,733.96, 1,844,863.56 and 431,064.24 is: 646,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,733.96 : 1,844,863.56 = 431,064.24 : x
  2. Step 2: Convert to fraction form
    1,229,733.96/1,844,863.56 = 431,064.24/x
  3. Step 3: Cross multiply
    1,229,733.96x = 1,844,863.56 × 431,064.24
  4. Step 4: Simplify right side
    1,229,733.96x = 795,254,708,395.09
  5. Step 5: Solve for x
    x = 795,254,708,395.09/1,229,733.96
  6. Step 6: Final answer
    x = 646,688.42

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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.