Home / 1,072,963.64-1,609,195.77-399,362.17

Finding the Fourth Proportional to 1,072,963.64, 1,609,195.77 and 399,362.17

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Solution

The fourth proportional to 1,072,963.64, 1,609,195.77 and 399,362.17 is: 598,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,963.64 : 1,609,195.77 = 399,362.17 : x
  2. Step 2: Convert to fraction form
    1,072,963.64/1,609,195.77 = 399,362.17/x
  3. Step 3: Cross multiply
    1,072,963.64x = 1,609,195.77 × 399,362.17
  4. Step 4: Simplify right side
    1,072,963.64x = 642,651,912,665.21
  5. Step 5: Solve for x
    x = 642,651,912,665.21/1,072,963.64
  6. Step 6: Final answer
    x = 598,950.32

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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.