Home / 1,108,889.53-1,663,083.36-509,274.28

Finding the Fourth Proportional to 1,108,889.53, 1,663,083.36 and 509,274.28

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Solution

The fourth proportional to 1,108,889.53, 1,663,083.36 and 509,274.28 is: 763,796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,889.53 : 1,663,083.36 = 509,274.28 : x
  2. Step 2: Convert to fraction form
    1,108,889.53/1,663,083.36 = 509,274.28/x
  3. Step 3: Cross multiply
    1,108,889.53x = 1,663,083.36 × 509,274.28
  4. Step 4: Simplify right side
    1,108,889.53x = 846,965,580,743.98
  5. Step 5: Solve for x
    x = 846,965,580,743.98/1,108,889.53
  6. Step 6: Final answer
    x = 763,796.17

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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.