Home / 1,605,642.14-2,215,816.52-880,446.60

Finding the Fourth Proportional to 1,605,642.14, 2,215,816.52 and 880,446.60

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Solution

The fourth proportional to 1,605,642.14, 2,215,816.52 and 880,446.60 is: 1,215,032.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,642.14 : 2,215,816.52 = 880,446.60 : x
  2. Step 2: Convert to fraction form
    1,605,642.14/2,215,816.52 = 880,446.60/x
  3. Step 3: Cross multiply
    1,605,642.14x = 2,215,816.52 × 880,446.60
  4. Step 4: Simplify right side
    1,605,642.14x = 1,950,908,121,257.83
  5. Step 5: Solve for x
    x = 1,950,908,121,257.83/1,605,642.14
  6. Step 6: Final answer
    x = 1,215,032.96

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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.