Home / 1,072,858.40-1,609,287.60-324,904.40

Finding the Fourth Proportional to 1,072,858.40, 1,609,287.60 and 324,904.40

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Solution

The fourth proportional to 1,072,858.40, 1,609,287.60 and 324,904.40 is: 487,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,858.40 : 1,609,287.60 = 324,904.40 : x
  2. Step 2: Convert to fraction form
    1,072,858.40/1,609,287.60 = 324,904.40/x
  3. Step 3: Cross multiply
    1,072,858.40x = 1,609,287.60 × 324,904.40
  4. Step 4: Simplify right side
    1,072,858.40x = 522,864,622,105.44
  5. Step 5: Solve for x
    x = 522,864,622,105.44/1,072,858.40
  6. Step 6: Final answer
    x = 487,356.60

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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.