Home / 1,160,581.74-1,601,530.62-644,305.50

Finding the Fourth Proportional to 1,160,581.74, 1,601,530.62 and 644,305.50

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Solution

The fourth proportional to 1,160,581.74, 1,601,530.62 and 644,305.50 is: 889,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,581.74 : 1,601,530.62 = 644,305.50 : x
  2. Step 2: Convert to fraction form
    1,160,581.74/1,601,530.62 = 644,305.50/x
  3. Step 3: Cross multiply
    1,160,581.74x = 1,601,530.62 × 644,305.50
  4. Step 4: Simplify right side
    1,160,581.74x = 1,031,874,986,884.41
  5. Step 5: Solve for x
    x = 1,031,874,986,884.41/1,160,581.74
  6. Step 6: Final answer
    x = 889,101.52

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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.