Home / 1,087,963.50-1,502,296.05-907,620.75

Finding the Fourth Proportional to 1,087,963.50, 1,502,296.05 and 907,620.75

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Solution

The fourth proportional to 1,087,963.50, 1,502,296.05 and 907,620.75 is: 1,253,272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,963.50 : 1,502,296.05 = 907,620.75 : x
  2. Step 2: Convert to fraction form
    1,087,963.50/1,502,296.05 = 907,620.75/x
  3. Step 3: Cross multiply
    1,087,963.50x = 1,502,296.05 × 907,620.75
  4. Step 4: Simplify right side
    1,087,963.50x = 1,363,515,067,623.04
  5. Step 5: Solve for x
    x = 1,363,515,067,623.04/1,087,963.50
  6. Step 6: Final answer
    x = 1,253,272.81

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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.