Home / 1,557,906.90-2,336,687.55-1,276,934.10

Finding the Fourth Proportional to 1,557,906.90, 2,336,687.55 and 1,276,934.10

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Solution

The fourth proportional to 1,557,906.90, 2,336,687.55 and 1,276,934.10 is: 1,915,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,906.90 : 2,336,687.55 = 1,276,934.10 : x
  2. Step 2: Convert to fraction form
    1,557,906.90/2,336,687.55 = 1,276,934.10/x
  3. Step 3: Cross multiply
    1,557,906.90x = 2,336,687.55 × 1,276,934.10
  4. Step 4: Simplify right side
    1,557,906.90x = 2,983,796,013,640.46
  5. Step 5: Solve for x
    x = 2,983,796,013,640.46/1,557,906.90
  6. Step 6: Final answer
    x = 1,915,259.51

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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.