Home / 1,887,885.45-2,832,238.26-689,805.87

Finding the Fourth Proportional to 1,887,885.45, 2,832,238.26 and 689,805.87

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Solution

The fourth proportional to 1,887,885.45, 2,832,238.26 and 689,805.87 is: 1,034,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,885.45 : 2,832,238.26 = 689,805.87 : x
  2. Step 2: Convert to fraction form
    1,887,885.45/2,832,238.26 = 689,805.87/x
  3. Step 3: Cross multiply
    1,887,885.45x = 2,832,238.26 × 689,805.87
  4. Step 4: Simplify right side
    1,887,885.45x = 1,953,694,576,986.59
  5. Step 5: Solve for x
    x = 1,953,694,576,986.59/1,887,885.45
  6. Step 6: Final answer
    x = 1,034,858.64

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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.