Home / 1,028,074.22-1,541,815.41-354,128.30

Finding the Fourth Proportional to 1,028,074.22, 1,541,815.41 and 354,128.30

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Solution

The fourth proportional to 1,028,074.22, 1,541,815.41 and 354,128.30 is: 531,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,074.22 : 1,541,815.41 = 354,128.30 : x
  2. Step 2: Convert to fraction form
    1,028,074.22/1,541,815.41 = 354,128.30/x
  3. Step 3: Cross multiply
    1,028,074.22x = 1,541,815.41 × 354,128.30
  4. Step 4: Simplify right side
    1,028,074.22x = 546,000,470,057.10
  5. Step 5: Solve for x
    x = 546,000,470,057.10/1,028,074.22
  6. Step 6: Final answer
    x = 531,090.52

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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.