Home / 1,605,680.91-2,215,842.56-880,533.81

Finding the Fourth Proportional to 1,605,680.91, 2,215,842.56 and 880,533.81

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Solution

The fourth proportional to 1,605,680.91, 2,215,842.56 and 880,533.81 is: 1,215,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,680.91 : 2,215,842.56 = 880,533.81 : x
  2. Step 2: Convert to fraction form
    1,605,680.91/2,215,842.56 = 880,533.81/x
  3. Step 3: Cross multiply
    1,605,680.91x = 2,215,842.56 × 880,533.81
  4. Step 4: Simplify right side
    1,605,680.91x = 1,951,124,291,716.95
  5. Step 5: Solve for x
    x = 1,951,124,291,716.95/1,605,680.91
  6. Step 6: Final answer
    x = 1,215,138.25

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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.