Home / 1,275,025.77-1,912,678.77-635,490.51

Finding the Fourth Proportional to 1,275,025.77, 1,912,678.77 and 635,490.51

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Solution

The fourth proportional to 1,275,025.77, 1,912,678.77 and 635,490.51 is: 953,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,025.77 : 1,912,678.77 = 635,490.51 : x
  2. Step 2: Convert to fraction form
    1,275,025.77/1,912,678.77 = 635,490.51/x
  3. Step 3: Cross multiply
    1,275,025.77x = 1,912,678.77 × 635,490.51
  4. Step 4: Simplify right side
    1,275,025.77x = 1,215,489,207,013.47
  5. Step 5: Solve for x
    x = 1,215,489,207,013.47/1,275,025.77
  6. Step 6: Final answer
    x = 953,305.60

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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.