Home / 1,243,143.22-1,864,530.29-344,491.25

Finding the Fourth Proportional to 1,243,143.22, 1,864,530.29 and 344,491.25

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Solution

The fourth proportional to 1,243,143.22, 1,864,530.29 and 344,491.25 is: 516,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,143.22 : 1,864,530.29 = 344,491.25 : x
  2. Step 2: Convert to fraction form
    1,243,143.22/1,864,530.29 = 344,491.25/x
  3. Step 3: Cross multiply
    1,243,143.22x = 1,864,530.29 × 344,491.25
  4. Step 4: Simplify right side
    1,243,143.22x = 642,314,377,535.51
  5. Step 5: Solve for x
    x = 642,314,377,535.51/1,243,143.22
  6. Step 6: Final answer
    x = 516,685.74

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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.