Home / 1,174,540.80-1,761,811.20-613,502.40

Finding the Fourth Proportional to 1,174,540.80, 1,761,811.20 and 613,502.40

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Solution

The fourth proportional to 1,174,540.80, 1,761,811.20 and 613,502.40 is: 920,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,540.80 : 1,761,811.20 = 613,502.40 : x
  2. Step 2: Convert to fraction form
    1,174,540.80/1,761,811.20 = 613,502.40/x
  3. Step 3: Cross multiply
    1,174,540.80x = 1,761,811.20 × 613,502.40
  4. Step 4: Simplify right side
    1,174,540.80x = 1,080,875,399,546.88
  5. Step 5: Solve for x
    x = 1,080,875,399,546.88/1,174,540.80
  6. Step 6: Final answer
    x = 920,253.60

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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.