Home / 839,572.80-1,259,359.20-804,580.80

Finding the Fourth Proportional to 839,572.80, 1,259,359.20 and 804,580.80

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Solution

The fourth proportional to 839,572.80, 1,259,359.20 and 804,580.80 is: 1,206,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,572.80 : 1,259,359.20 = 804,580.80 : x
  2. Step 2: Convert to fraction form
    839,572.80/1,259,359.20 = 804,580.80/x
  3. Step 3: Cross multiply
    839,572.80x = 1,259,359.20 × 804,580.80
  4. Step 4: Simplify right side
    839,572.80x = 1,013,256,232,623.36
  5. Step 5: Solve for x
    x = 1,013,256,232,623.36/839,572.80
  6. Step 6: Final answer
    x = 1,206,871.20

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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.