Home / 1,094,112.18-1,640,045.61-420,011.96

Finding the Fourth Proportional to 1,094,112.18, 1,640,045.61 and 420,011.96

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Solution

The fourth proportional to 1,094,112.18, 1,640,045.61 and 420,011.96 is: 629,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,112.18 : 1,640,045.61 = 420,011.96 : x
  2. Step 2: Convert to fraction form
    1,094,112.18/1,640,045.61 = 420,011.96/x
  3. Step 3: Cross multiply
    1,094,112.18x = 1,640,045.61 × 420,011.96
  4. Step 4: Simplify right side
    1,094,112.18x = 688,838,762,945.27
  5. Step 5: Solve for x
    x = 688,838,762,945.27/1,094,112.18
  6. Step 6: Final answer
    x = 629,586.96

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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.