Home / 1,384,476.29-1,910,673.18-772,748.39

Finding the Fourth Proportional to 1,384,476.29, 1,910,673.18 and 772,748.39

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Solution

The fourth proportional to 1,384,476.29, 1,910,673.18 and 772,748.39 is: 1,066,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,476.29 : 1,910,673.18 = 772,748.39 : x
  2. Step 2: Convert to fraction form
    1,384,476.29/1,910,673.18 = 772,748.39/x
  3. Step 3: Cross multiply
    1,384,476.29x = 1,910,673.18 × 772,748.39
  4. Step 4: Simplify right side
    1,384,476.29x = 1,476,469,614,107.81
  5. Step 5: Solve for x
    x = 1,476,469,614,107.81/1,384,476.29
  6. Step 6: Final answer
    x = 1,066,446.30

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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.