Home / 1,393,459.70-2,090,540.67-396,187.70

Finding the Fourth Proportional to 1,393,459.70, 2,090,540.67 and 396,187.70

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Solution

The fourth proportional to 1,393,459.70, 2,090,540.67 and 396,187.70 is: 594,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,459.70 : 2,090,540.67 = 396,187.70 : x
  2. Step 2: Convert to fraction form
    1,393,459.70/2,090,540.67 = 396,187.70/x
  3. Step 3: Cross multiply
    1,393,459.70x = 2,090,540.67 × 396,187.70
  4. Step 4: Simplify right side
    1,393,459.70x = 828,246,489,351.06
  5. Step 5: Solve for x
    x = 828,246,489,351.06/1,393,459.70
  6. Step 6: Final answer
    x = 594,381.37

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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.