Home / 827,024.40-1,240,828.20-797,864.40

Finding the Fourth Proportional to 827,024.40, 1,240,828.20 and 797,864.40

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Solution

The fourth proportional to 827,024.40, 1,240,828.20 and 797,864.40 is: 1,197,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,024.40 : 1,240,828.20 = 797,864.40 : x
  2. Step 2: Convert to fraction form
    827,024.40/1,240,828.20 = 797,864.40/x
  3. Step 3: Cross multiply
    827,024.40x = 1,240,828.20 × 797,864.40
  4. Step 4: Simplify right side
    827,024.40x = 990,012,647,296.08
  5. Step 5: Solve for x
    x = 990,012,647,296.08/827,024.40
  6. Step 6: Final answer
    x = 1,197,077.92

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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.