Home / 666,486.44-1,000,135.62-239,986.59

Finding the Fourth Proportional to 666,486.44, 1,000,135.62 and 239,986.59

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Solution

The fourth proportional to 666,486.44, 1,000,135.62 and 239,986.59 is: 360,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,486.44 : 1,000,135.62 = 239,986.59 : x
  2. Step 2: Convert to fraction form
    666,486.44/1,000,135.62 = 239,986.59/x
  3. Step 3: Cross multiply
    666,486.44x = 1,000,135.62 × 239,986.59
  4. Step 4: Simplify right side
    666,486.44x = 240,019,136,981.34
  5. Step 5: Solve for x
    x = 240,019,136,981.34/666,486.44
  6. Step 6: Final answer
    x = 360,126.06

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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.