Home / 1,147,782.20-1,721,738.10-349,089.80

Finding the Fourth Proportional to 1,147,782.20, 1,721,738.10 and 349,089.80

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Solution

The fourth proportional to 1,147,782.20, 1,721,738.10 and 349,089.80 is: 523,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,782.20 : 1,721,738.10 = 349,089.80 : x
  2. Step 2: Convert to fraction form
    1,147,782.20/1,721,738.10 = 349,089.80/x
  3. Step 3: Cross multiply
    1,147,782.20x = 1,721,738.10 × 349,089.80
  4. Step 4: Simplify right side
    1,147,782.20x = 601,041,208,981.38
  5. Step 5: Solve for x
    x = 601,041,208,981.38/1,147,782.20
  6. Step 6: Final answer
    x = 523,654.41

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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.