Home / 1,505,320.30-2,079,066.10-991,371.66

Finding the Fourth Proportional to 1,505,320.30, 2,079,066.10 and 991,371.66

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Solution

The fourth proportional to 1,505,320.30, 2,079,066.10 and 991,371.66 is: 1,369,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,320.30 : 2,079,066.10 = 991,371.66 : x
  2. Step 2: Convert to fraction form
    1,505,320.30/2,079,066.10 = 991,371.66/x
  3. Step 3: Cross multiply
    1,505,320.30x = 2,079,066.10 × 991,371.66
  4. Step 4: Simplify right side
    1,505,320.30x = 2,061,127,210,806.73
  5. Step 5: Solve for x
    x = 2,061,127,210,806.73/1,505,320.30
  6. Step 6: Final answer
    x = 1,369,228.34

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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.