Home / 1,367,284.51-1,886,890.66-755,476.68

Finding the Fourth Proportional to 1,367,284.51, 1,886,890.66 and 755,476.68

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Solution

The fourth proportional to 1,367,284.51, 1,886,890.66 and 755,476.68 is: 1,042,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,284.51 : 1,886,890.66 = 755,476.68 : x
  2. Step 2: Convert to fraction form
    1,367,284.51/1,886,890.66 = 755,476.68/x
  3. Step 3: Cross multiply
    1,367,284.51x = 1,886,890.66 × 755,476.68
  4. Step 4: Simplify right side
    1,367,284.51x = 1,425,501,895,469.63
  5. Step 5: Solve for x
    x = 1,425,501,895,469.63/1,367,284.51
  6. Step 6: Final answer
    x = 1,042,578.84

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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.