Home / 1,123,586.45-1,685,106.30-324,784.70

Finding the Fourth Proportional to 1,123,586.45, 1,685,106.30 and 324,784.70

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Solution

The fourth proportional to 1,123,586.45, 1,685,106.30 and 324,784.70 is: 487,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,586.45 : 1,685,106.30 = 324,784.70 : x
  2. Step 2: Convert to fraction form
    1,123,586.45/1,685,106.30 = 324,784.70/x
  3. Step 3: Cross multiply
    1,123,586.45x = 1,685,106.30 × 324,784.70
  4. Step 4: Simplify right side
    1,123,586.45x = 547,296,744,113.61
  5. Step 5: Solve for x
    x = 547,296,744,113.61/1,123,586.45
  6. Step 6: Final answer
    x = 487,098.03

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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.