Home / 1,053,059.10-1,578,157.11-445,342.20

Finding the Fourth Proportional to 1,053,059.10, 1,578,157.11 and 445,342.20

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Solution

The fourth proportional to 1,053,059.10, 1,578,157.11 and 445,342.20 is: 667,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,059.10 : 1,578,157.11 = 445,342.20 : x
  2. Step 2: Convert to fraction form
    1,053,059.10/1,578,157.11 = 445,342.20/x
  3. Step 3: Cross multiply
    1,053,059.10x = 1,578,157.11 × 445,342.20
  4. Step 4: Simplify right side
    1,053,059.10x = 702,819,959,313.04
  5. Step 5: Solve for x
    x = 702,819,959,313.04/1,053,059.10
  6. Step 6: Final answer
    x = 667,407.90

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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.