Home / 1,101,976.47-1,520,676.32-611,977.09

Finding the Fourth Proportional to 1,101,976.47, 1,520,676.32 and 611,977.09

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Solution

The fourth proportional to 1,101,976.47, 1,520,676.32 and 611,977.09 is: 844,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,976.47 : 1,520,676.32 = 611,977.09 : x
  2. Step 2: Convert to fraction form
    1,101,976.47/1,520,676.32 = 611,977.09/x
  3. Step 3: Cross multiply
    1,101,976.47x = 1,520,676.32 × 611,977.09
  4. Step 4: Simplify right side
    1,101,976.47x = 930,619,069,145.51
  5. Step 5: Solve for x
    x = 930,619,069,145.51/1,101,976.47
  6. Step 6: Final answer
    x = 844,499.95

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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.