Home / 999,954.72-1,499,941.80-252,000.72

Finding the Fourth Proportional to 999,954.72, 1,499,941.80 and 252,000.72

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Solution

The fourth proportional to 999,954.72, 1,499,941.80 and 252,000.72 is: 378,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,954.72 : 1,499,941.80 = 252,000.72 : x
  2. Step 2: Convert to fraction form
    999,954.72/1,499,941.80 = 252,000.72/x
  3. Step 3: Cross multiply
    999,954.72x = 1,499,941.80 × 252,000.72
  4. Step 4: Simplify right side
    999,954.72x = 377,986,413,558.10
  5. Step 5: Solve for x
    x = 377,986,413,558.10/999,954.72
  6. Step 6: Final answer
    x = 378,003.53

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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.