Home / 993,142.62-1,489,727.79-283,170.93

Finding the Fourth Proportional to 993,142.62, 1,489,727.79 and 283,170.93

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Solution

The fourth proportional to 993,142.62, 1,489,727.79 and 283,170.93 is: 424,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,142.62 : 1,489,727.79 = 283,170.93 : x
  2. Step 2: Convert to fraction form
    993,142.62/1,489,727.79 = 283,170.93/x
  3. Step 3: Cross multiply
    993,142.62x = 1,489,727.79 × 283,170.93
  4. Step 4: Simplify right side
    993,142.62x = 421,847,603,741.15
  5. Step 5: Solve for x
    x = 421,847,603,741.15/993,142.62
  6. Step 6: Final answer
    x = 424,760.35

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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.