Home / 839,984.80-1,259,977.20-735,008.80

Finding the Fourth Proportional to 839,984.80, 1,259,977.20 and 735,008.80

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Solution

The fourth proportional to 839,984.80, 1,259,977.20 and 735,008.80 is: 1,102,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,984.80 : 1,259,977.20 = 735,008.80 : x
  2. Step 2: Convert to fraction form
    839,984.80/1,259,977.20 = 735,008.80/x
  3. Step 3: Cross multiply
    839,984.80x = 1,259,977.20 × 735,008.80
  4. Step 4: Simplify right side
    839,984.80x = 926,094,329,799.36
  5. Step 5: Solve for x
    x = 926,094,329,799.36/839,984.80
  6. Step 6: Final answer
    x = 1,102,513.20

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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.