Home / 1,485,315.24-2,049,780.90-873,357.48

Finding the Fourth Proportional to 1,485,315.24, 2,049,780.90 and 873,357.48

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Solution

The fourth proportional to 1,485,315.24, 2,049,780.90 and 873,357.48 is: 1,205,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,315.24 : 2,049,780.90 = 873,357.48 : x
  2. Step 2: Convert to fraction form
    1,485,315.24/2,049,780.90 = 873,357.48/x
  3. Step 3: Cross multiply
    1,485,315.24x = 2,049,780.90 × 873,357.48
  4. Step 4: Simplify right side
    1,485,315.24x = 1,790,191,481,376.13
  5. Step 5: Solve for x
    x = 1,790,191,481,376.13/1,485,315.24
  6. Step 6: Final answer
    x = 1,205,260.29

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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.