Home / 1,356,752.72-1,872,100.68-783,868.88

Finding the Fourth Proportional to 1,356,752.72, 1,872,100.68 and 783,868.88

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Solution

The fourth proportional to 1,356,752.72, 1,872,100.68 and 783,868.88 is: 1,081,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,752.72 : 1,872,100.68 = 783,868.88 : x
  2. Step 2: Convert to fraction form
    1,356,752.72/1,872,100.68 = 783,868.88/x
  3. Step 3: Cross multiply
    1,356,752.72x = 1,872,100.68 × 783,868.88
  4. Step 4: Simplify right side
    1,356,752.72x = 1,467,481,463,278.84
  5. Step 5: Solve for x
    x = 1,467,481,463,278.84/1,356,752.72
  6. Step 6: Final answer
    x = 1,081,613.06

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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.