Home / 1,605,256.66-2,215,275.78-880,102.63

Finding the Fourth Proportional to 1,605,256.66, 2,215,275.78 and 880,102.63

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Solution

The fourth proportional to 1,605,256.66, 2,215,275.78 and 880,102.63 is: 1,214,553.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,256.66 : 2,215,275.78 = 880,102.63 : x
  2. Step 2: Convert to fraction form
    1,605,256.66/2,215,275.78 = 880,102.63/x
  3. Step 3: Cross multiply
    1,605,256.66x = 2,215,275.78 × 880,102.63
  4. Step 4: Simplify right side
    1,605,256.66x = 1,949,670,040,153.30
  5. Step 5: Solve for x
    x = 1,949,670,040,153.30/1,605,256.66
  6. Step 6: Final answer
    x = 1,214,553.47

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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.