Home / 1,013,745.42-1,520,668.62-303,705.90

Finding the Fourth Proportional to 1,013,745.42, 1,520,668.62 and 303,705.90

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Solution

The fourth proportional to 1,013,745.42, 1,520,668.62 and 303,705.90 is: 455,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,745.42 : 1,520,668.62 = 303,705.90 : x
  2. Step 2: Convert to fraction form
    1,013,745.42/1,520,668.62 = 303,705.90/x
  3. Step 3: Cross multiply
    1,013,745.42x = 1,520,668.62 × 303,705.90
  4. Step 4: Simplify right side
    1,013,745.42x = 461,836,031,838.86
  5. Step 5: Solve for x
    x = 461,836,031,838.86/1,013,745.42
  6. Step 6: Final answer
    x = 455,573.98

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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.