Home / 1,831,128.75-2,526,687.30-1,015,338.39

Finding the Fourth Proportional to 1,831,128.75, 2,526,687.30 and 1,015,338.39

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Solution

The fourth proportional to 1,831,128.75, 2,526,687.30 and 1,015,338.39 is: 1,401,017.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,128.75 : 2,526,687.30 = 1,015,338.39 : x
  2. Step 2: Convert to fraction form
    1,831,128.75/2,526,687.30 = 1,015,338.39/x
  3. Step 3: Cross multiply
    1,831,128.75x = 2,526,687.30 × 1,015,338.39
  4. Step 4: Simplify right side
    1,831,128.75x = 2,565,442,615,215.45
  5. Step 5: Solve for x
    x = 2,565,442,615,215.45/1,831,128.75
  6. Step 6: Final answer
    x = 1,401,017.06

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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.