Home / 757,239.20-1,135,858.80-711,049.76

Finding the Fourth Proportional to 757,239.20, 1,135,858.80 and 711,049.76

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Solution

The fourth proportional to 757,239.20, 1,135,858.80 and 711,049.76 is: 1,066,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,239.20 : 1,135,858.80 = 711,049.76 : x
  2. Step 2: Convert to fraction form
    757,239.20/1,135,858.80 = 711,049.76/x
  3. Step 3: Cross multiply
    757,239.20x = 1,135,858.80 × 711,049.76
  4. Step 4: Simplify right side
    757,239.20x = 807,652,127,133.89
  5. Step 5: Solve for x
    x = 807,652,127,133.89/757,239.20
  6. Step 6: Final answer
    x = 1,066,574.64

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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.