Home / 1,042,131.60-1,563,370.20-443,379.60

Finding the Fourth Proportional to 1,042,131.60, 1,563,370.20 and 443,379.60

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Solution

The fourth proportional to 1,042,131.60, 1,563,370.20 and 443,379.60 is: 665,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,131.60 : 1,563,370.20 = 443,379.60 : x
  2. Step 2: Convert to fraction form
    1,042,131.60/1,563,370.20 = 443,379.60/x
  3. Step 3: Cross multiply
    1,042,131.60x = 1,563,370.20 × 443,379.60
  4. Step 4: Simplify right side
    1,042,131.60x = 693,166,453,927.92
  5. Step 5: Solve for x
    x = 693,166,453,927.92/1,042,131.60
  6. Step 6: Final answer
    x = 665,142.92

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1.5x scale

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.