Home / 1,301,120.64-1,795,555.62-728,214.12

Finding the Fourth Proportional to 1,301,120.64, 1,795,555.62 and 728,214.12

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Solution

The fourth proportional to 1,301,120.64, 1,795,555.62 and 728,214.12 is: 1,004,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,120.64 : 1,795,555.62 = 728,214.12 : x
  2. Step 2: Convert to fraction form
    1,301,120.64/1,795,555.62 = 728,214.12/x
  3. Step 3: Cross multiply
    1,301,120.64x = 1,795,555.62 × 728,214.12
  4. Step 4: Simplify right side
    1,301,120.64x = 1,307,548,955,729.35
  5. Step 5: Solve for x
    x = 1,307,548,955,729.35/1,301,120.64
  6. Step 6: Final answer
    x = 1,004,940.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.