Home / 1,272,982.38-1,908,401.13-552,782.22

Finding the Fourth Proportional to 1,272,982.38, 1,908,401.13 and 552,782.22

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Solution

The fourth proportional to 1,272,982.38, 1,908,401.13 and 552,782.22 is: 828,707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,982.38 : 1,908,401.13 = 552,782.22 : x
  2. Step 2: Convert to fraction form
    1,272,982.38/1,908,401.13 = 552,782.22/x
  3. Step 3: Cross multiply
    1,272,982.38x = 1,908,401.13 × 552,782.22
  4. Step 4: Simplify right side
    1,272,982.38x = 1,054,930,213,291.91
  5. Step 5: Solve for x
    x = 1,054,930,213,291.91/1,272,982.38
  6. Step 6: Final answer
    x = 828,707.63

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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.