Home / 1,689,660-2,534,493.26-410,262.08

Finding the Fourth Proportional to 1,689,660, 2,534,493.26 and 410,262.08

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Solution

The fourth proportional to 1,689,660, 2,534,493.26 and 410,262.08 is: 615,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,660 : 2,534,493.26 = 410,262.08 : x
  2. Step 2: Convert to fraction form
    1,689,660/2,534,493.26 = 410,262.08/x
  3. Step 3: Cross multiply
    1,689,660x = 2,534,493.26 × 410,262.08
  4. Step 4: Simplify right side
    1,689,660x = 1,039,806,476,593.58
  5. Step 5: Solve for x
    x = 1,039,806,476,593.58/1,689,660
  6. Step 6: Final answer
    x = 615,393.91

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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.