Home / 1,370,863.78-1,891,817.13-767,250.34

Finding the Fourth Proportional to 1,370,863.78, 1,891,817.13 and 767,250.34

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Solution

The fourth proportional to 1,370,863.78, 1,891,817.13 and 767,250.34 is: 1,058,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,863.78 : 1,891,817.13 = 767,250.34 : x
  2. Step 2: Convert to fraction form
    1,370,863.78/1,891,817.13 = 767,250.34/x
  3. Step 3: Cross multiply
    1,370,863.78x = 1,891,817.13 × 767,250.34
  4. Step 4: Simplify right side
    1,370,863.78x = 1,451,497,336,210.32
  5. Step 5: Solve for x
    x = 1,451,497,336,210.32/1,370,863.78
  6. Step 6: Final answer
    x = 1,058,819.52

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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.