Home / 839,909.80-1,259,864.70-757,241.20

Finding the Fourth Proportional to 839,909.80, 1,259,864.70 and 757,241.20

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Solution

The fourth proportional to 839,909.80, 1,259,864.70 and 757,241.20 is: 1,135,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,909.80 : 1,259,864.70 = 757,241.20 : x
  2. Step 2: Convert to fraction form
    839,909.80/1,259,864.70 = 757,241.20/x
  3. Step 3: Cross multiply
    839,909.80x = 1,259,864.70 × 757,241.20
  4. Step 4: Simplify right side
    839,909.80x = 954,021,457,265.64
  5. Step 5: Solve for x
    x = 954,021,457,265.64/839,909.80
  6. Step 6: Final answer
    x = 1,135,861.80

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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.