Home / 857,254.80-1,285,882.20-774,586.20

Finding the Fourth Proportional to 857,254.80, 1,285,882.20 and 774,586.20

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Solution

The fourth proportional to 857,254.80, 1,285,882.20 and 774,586.20 is: 1,161,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,254.80 : 1,285,882.20 = 774,586.20 : x
  2. Step 2: Convert to fraction form
    857,254.80/1,285,882.20 = 774,586.20/x
  3. Step 3: Cross multiply
    857,254.80x = 1,285,882.20 × 774,586.20
  4. Step 4: Simplify right side
    857,254.80x = 996,026,606,945.64
  5. Step 5: Solve for x
    x = 996,026,606,945.64/857,254.80
  6. Step 6: Final answer
    x = 1,161,879.30

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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.