Home / 1,284,138.80-1,926,208.20-337,605.20

Finding the Fourth Proportional to 1,284,138.80, 1,926,208.20 and 337,605.20

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Solution

The fourth proportional to 1,284,138.80, 1,926,208.20 and 337,605.20 is: 506,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,138.80 : 1,926,208.20 = 337,605.20 : x
  2. Step 2: Convert to fraction form
    1,284,138.80/1,926,208.20 = 337,605.20/x
  3. Step 3: Cross multiply
    1,284,138.80x = 1,926,208.20 × 337,605.20
  4. Step 4: Simplify right side
    1,284,138.80x = 650,297,904,602.64
  5. Step 5: Solve for x
    x = 650,297,904,602.64/1,284,138.80
  6. Step 6: Final answer
    x = 506,407.80

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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.