Home / 1,887,995.70-2,832,977.70-823,145.40

Finding the Fourth Proportional to 1,887,995.70, 2,832,977.70 and 823,145.40

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Solution

The fourth proportional to 1,887,995.70, 2,832,977.70 and 823,145.40 is: 1,235,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,995.70 : 2,832,977.70 = 823,145.40 : x
  2. Step 2: Convert to fraction form
    1,887,995.70/2,832,977.70 = 823,145.40/x
  3. Step 3: Cross multiply
    1,887,995.70x = 2,832,977.70 × 823,145.40
  4. Step 4: Simplify right side
    1,887,995.70x = 2,331,952,562,057.58
  5. Step 5: Solve for x
    x = 2,331,952,562,057.58/1,887,995.70
  6. Step 6: Final answer
    x = 1,235,147.18

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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.