Home / 1,243,826.81-1,716,924.17-734,531.21

Finding the Fourth Proportional to 1,243,826.81, 1,716,924.17 and 734,531.21

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Solution

The fourth proportional to 1,243,826.81, 1,716,924.17 and 734,531.21 is: 1,013,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,826.81 : 1,716,924.17 = 734,531.21 : x
  2. Step 2: Convert to fraction form
    1,243,826.81/1,716,924.17 = 734,531.21/x
  3. Step 3: Cross multiply
    1,243,826.81x = 1,716,924.17 × 734,531.21
  4. Step 4: Simplify right side
    1,243,826.81x = 1,261,134,384,395.69
  5. Step 5: Solve for x
    x = 1,261,134,384,395.69/1,243,826.81
  6. Step 6: Final answer
    x = 1,013,914.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.