Home / 1,271,380.13-1,754,964.97-841,798.66

Finding the Fourth Proportional to 1,271,380.13, 1,754,964.97 and 841,798.66

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Solution

The fourth proportional to 1,271,380.13, 1,754,964.97 and 841,798.66 is: 1,161,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,380.13 : 1,754,964.97 = 841,798.66 : x
  2. Step 2: Convert to fraction form
    1,271,380.13/1,754,964.97 = 841,798.66/x
  3. Step 3: Cross multiply
    1,271,380.13x = 1,754,964.97 × 841,798.66
  4. Step 4: Simplify right side
    1,271,380.13x = 1,477,327,151,318.12
  5. Step 5: Solve for x
    x = 1,477,327,151,318.12/1,271,380.13
  6. Step 6: Final answer
    x = 1,161,986.97

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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.