Home / 1,042,144.60-1,563,389.70-443,392.60

Finding the Fourth Proportional to 1,042,144.60, 1,563,389.70 and 443,392.60

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Solution

The fourth proportional to 1,042,144.60, 1,563,389.70 and 443,392.60 is: 665,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,144.60 : 1,563,389.70 = 443,392.60 : x
  2. Step 2: Convert to fraction form
    1,042,144.60/1,563,389.70 = 443,392.60/x
  3. Step 3: Cross multiply
    1,042,144.60x = 1,563,389.70 × 443,392.60
  4. Step 4: Simplify right side
    1,042,144.60x = 693,195,423,896.22
  5. Step 5: Solve for x
    x = 693,195,423,896.22/1,042,144.60
  6. Step 6: Final answer
    x = 665,162.42

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Double scale
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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.