Home / 1,043,791.47-1,563,028.74-687,726.27

Finding the Fourth Proportional to 1,043,791.47, 1,563,028.74 and 687,726.27

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Solution

The fourth proportional to 1,043,791.47, 1,563,028.74 and 687,726.27 is: 1,029,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,791.47 : 1,563,028.74 = 687,726.27 : x
  2. Step 2: Convert to fraction form
    1,043,791.47/1,563,028.74 = 687,726.27/x
  3. Step 3: Cross multiply
    1,043,791.47x = 1,563,028.74 × 687,726.27
  4. Step 4: Simplify right side
    1,043,791.47x = 1,074,935,925,263.00
  5. Step 5: Solve for x
    x = 1,074,935,925,263.00/1,043,791.47
  6. Step 6: Final answer
    x = 1,029,837.81

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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.