Home / 1,640,418.09-2,264,896.31-1,061,045.61

Finding the Fourth Proportional to 1,640,418.09, 2,264,896.31 and 1,061,045.61

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Solution

The fourth proportional to 1,640,418.09, 2,264,896.31 and 1,061,045.61 is: 1,464,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,418.09 : 2,264,896.31 = 1,061,045.61 : x
  2. Step 2: Convert to fraction form
    1,640,418.09/2,264,896.31 = 1,061,045.61/x
  3. Step 3: Cross multiply
    1,640,418.09x = 2,264,896.31 × 1,061,045.61
  4. Step 4: Simplify right side
    1,640,418.09x = 2,403,158,281,525.47
  5. Step 5: Solve for x
    x = 2,403,158,281,525.47/1,640,418.09
  6. Step 6: Final answer
    x = 1,464,966.95

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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.