Home / 1,159,141.90-1,738,712.85-823,218.70

Finding the Fourth Proportional to 1,159,141.90, 1,738,712.85 and 823,218.70

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Solution

The fourth proportional to 1,159,141.90, 1,738,712.85 and 823,218.70 is: 1,234,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,141.90 : 1,738,712.85 = 823,218.70 : x
  2. Step 2: Convert to fraction form
    1,159,141.90/1,738,712.85 = 823,218.70/x
  3. Step 3: Cross multiply
    1,159,141.90x = 1,738,712.85 × 823,218.70
  4. Step 4: Simplify right side
    1,159,141.90x = 1,431,340,932,050.30
  5. Step 5: Solve for x
    x = 1,431,340,932,050.30/1,159,141.90
  6. Step 6: Final answer
    x = 1,234,828.05

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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.