Home / 1,079,937.74-1,619,999.63-281,220.73

Finding the Fourth Proportional to 1,079,937.74, 1,619,999.63 and 281,220.73

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Solution

The fourth proportional to 1,079,937.74, 1,619,999.63 and 281,220.73 is: 421,855.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,937.74 : 1,619,999.63 = 281,220.73 : x
  2. Step 2: Convert to fraction form
    1,079,937.74/1,619,999.63 = 281,220.73/x
  3. Step 3: Cross multiply
    1,079,937.74x = 1,619,999.63 × 281,220.73
  4. Step 4: Simplify right side
    1,079,937.74x = 455,577,483,259.30
  5. Step 5: Solve for x
    x = 455,577,483,259.30/1,079,937.74
  6. Step 6: Final answer
    x = 421,855.32

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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.