Home / 1,681,202.64-2,320,067.16-917,272.20

Finding the Fourth Proportional to 1,681,202.64, 2,320,067.16 and 917,272.20

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Solution

The fourth proportional to 1,681,202.64, 2,320,067.16 and 917,272.20 is: 1,265,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,202.64 : 2,320,067.16 = 917,272.20 : x
  2. Step 2: Convert to fraction form
    1,681,202.64/2,320,067.16 = 917,272.20/x
  3. Step 3: Cross multiply
    1,681,202.64x = 2,320,067.16 × 917,272.20
  4. Step 4: Simplify right side
    1,681,202.64x = 2,128,133,108,000.95
  5. Step 5: Solve for x
    x = 2,128,133,108,000.95/1,681,202.64
  6. Step 6: Final answer
    x = 1,265,839.74

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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.