Home / 1,510,080.30-2,083,954.64-821,796.57

Finding the Fourth Proportional to 1,510,080.30, 2,083,954.64 and 821,796.57

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Solution

The fourth proportional to 1,510,080.30, 2,083,954.64 and 821,796.57 is: 1,134,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,080.30 : 2,083,954.64 = 821,796.57 : x
  2. Step 2: Convert to fraction form
    1,510,080.30/2,083,954.64 = 821,796.57/x
  3. Step 3: Cross multiply
    1,510,080.30x = 2,083,954.64 × 821,796.57
  4. Step 4: Simplify right side
    1,510,080.30x = 1,712,586,771,078.60
  5. Step 5: Solve for x
    x = 1,712,586,771,078.60/1,510,080.30
  6. Step 6: Final answer
    x = 1,134,103.11

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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.