Home / 809,981.74-1,108,060.80-806,570.02

Finding the Fourth Proportional to 809,981.74, 1,108,060.80 and 806,570.02

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Solution

The fourth proportional to 809,981.74, 1,108,060.80 and 806,570.02 is: 1,103,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,981.74 : 1,108,060.80 = 806,570.02 : x
  2. Step 2: Convert to fraction form
    809,981.74/1,108,060.80 = 806,570.02/x
  3. Step 3: Cross multiply
    809,981.74x = 1,108,060.80 × 806,570.02
  4. Step 4: Simplify right side
    809,981.74x = 893,728,621,617.22
  5. Step 5: Solve for x
    x = 893,728,621,617.22/809,981.74
  6. Step 6: Final answer
    x = 1,103,393.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.