Home / 1,887,870.70-2,832,790.20-823,020.40

Finding the Fourth Proportional to 1,887,870.70, 2,832,790.20 and 823,020.40

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Solution

The fourth proportional to 1,887,870.70, 2,832,790.20 and 823,020.40 is: 1,234,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,870.70 : 2,832,790.20 = 823,020.40 : x
  2. Step 2: Convert to fraction form
    1,887,870.70/2,832,790.20 = 823,020.40/x
  3. Step 3: Cross multiply
    1,887,870.70x = 2,832,790.20 × 823,020.40
  4. Step 4: Simplify right side
    1,887,870.70x = 2,331,444,123,520.08
  5. Step 5: Solve for x
    x = 2,331,444,123,520.08/1,887,870.70
  6. Step 6: Final answer
    x = 1,234,959.64

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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.