Home / 1,375,081.16-1,897,583.40-763,198.02

Finding the Fourth Proportional to 1,375,081.16, 1,897,583.40 and 763,198.02

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Solution

The fourth proportional to 1,375,081.16, 1,897,583.40 and 763,198.02 is: 1,053,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,081.16 : 1,897,583.40 = 763,198.02 : x
  2. Step 2: Convert to fraction form
    1,375,081.16/1,897,583.40 = 763,198.02/x
  3. Step 3: Cross multiply
    1,375,081.16x = 1,897,583.40 × 763,198.02
  4. Step 4: Simplify right side
    1,375,081.16x = 1,448,231,893,664.87
  5. Step 5: Solve for x
    x = 1,448,231,893,664.87/1,375,081.16
  6. Step 6: Final answer
    x = 1,053,197.40

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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.