Home / 1,296,019.10-1,944,028.65-1,170,047.90

Finding the Fourth Proportional to 1,296,019.10, 1,944,028.65 and 1,170,047.90

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Solution

The fourth proportional to 1,296,019.10, 1,944,028.65 and 1,170,047.90 is: 1,755,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,019.10 : 1,944,028.65 = 1,170,047.90 : x
  2. Step 2: Convert to fraction form
    1,296,019.10/1,944,028.65 = 1,170,047.90/x
  3. Step 3: Cross multiply
    1,296,019.10x = 1,944,028.65 × 1,170,047.90
  4. Step 4: Simplify right side
    1,296,019.10x = 2,274,606,639,472.33
  5. Step 5: Solve for x
    x = 2,274,606,639,472.33/1,296,019.10
  6. Step 6: Final answer
    x = 1,755,071.85

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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.