Home / 1,131,081.18-1,696,606.84-278,160.20

Finding the Fourth Proportional to 1,131,081.18, 1,696,606.84 and 278,160.20

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Solution

The fourth proportional to 1,131,081.18, 1,696,606.84 and 278,160.20 is: 417,236.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,081.18 : 1,696,606.84 = 278,160.20 : x
  2. Step 2: Convert to fraction form
    1,131,081.18/1,696,606.84 = 278,160.20/x
  3. Step 3: Cross multiply
    1,131,081.18x = 1,696,606.84 × 278,160.20
  4. Step 4: Simplify right side
    1,131,081.18x = 471,928,497,935.77
  5. Step 5: Solve for x
    x = 471,928,497,935.77/1,131,081.18
  6. Step 6: Final answer
    x = 417,236.63

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1.5x scale

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.