Home / 1,042,151.10-1,563,399.45-443,399.10

Finding the Fourth Proportional to 1,042,151.10, 1,563,399.45 and 443,399.10

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Solution

The fourth proportional to 1,042,151.10, 1,563,399.45 and 443,399.10 is: 665,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,151.10 : 1,563,399.45 = 443,399.10 : x
  2. Step 2: Convert to fraction form
    1,042,151.10/1,563,399.45 = 443,399.10/x
  3. Step 3: Cross multiply
    1,042,151.10x = 1,563,399.45 × 443,399.10
  4. Step 4: Simplify right side
    1,042,151.10x = 693,209,909,070.50
  5. Step 5: Solve for x
    x = 693,209,909,070.50/1,042,151.10
  6. Step 6: Final answer
    x = 665,172.17

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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.