Home / 1,101,786.24-1,651,127.40-876,145.35

Finding the Fourth Proportional to 1,101,786.24, 1,651,127.40 and 876,145.35

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Solution

The fourth proportional to 1,101,786.24, 1,651,127.40 and 876,145.35 is: 1,312,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,786.24 : 1,651,127.40 = 876,145.35 : x
  2. Step 2: Convert to fraction form
    1,101,786.24/1,651,127.40 = 876,145.35/x
  3. Step 3: Cross multiply
    1,101,786.24x = 1,651,127.40 × 876,145.35
  4. Step 4: Simplify right side
    1,101,786.24x = 1,446,627,593,767.59
  5. Step 5: Solve for x
    x = 1,446,627,593,767.59/1,101,786.24
  6. Step 6: Final answer
    x = 1,312,983.90

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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.