Home / 999,586.72-1,499,380.08-289,615.24

Finding the Fourth Proportional to 999,586.72, 1,499,380.08 and 289,615.24

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Solution

The fourth proportional to 999,586.72, 1,499,380.08 and 289,615.24 is: 434,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,586.72 : 1,499,380.08 = 289,615.24 : x
  2. Step 2: Convert to fraction form
    999,586.72/1,499,380.08 = 289,615.24/x
  3. Step 3: Cross multiply
    999,586.72x = 1,499,380.08 × 289,615.24
  4. Step 4: Simplify right side
    999,586.72x = 434,243,321,720.42
  5. Step 5: Solve for x
    x = 434,243,321,720.42/999,586.72
  6. Step 6: Final answer
    x = 434,422.86

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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.