Home / 1,301,268.16-1,795,749.85-728,308.32

Finding the Fourth Proportional to 1,301,268.16, 1,795,749.85 and 728,308.32

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Solution

The fourth proportional to 1,301,268.16, 1,795,749.85 and 728,308.32 is: 1,005,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,268.16 : 1,795,749.85 = 728,308.32 : x
  2. Step 2: Convert to fraction form
    1,301,268.16/1,795,749.85 = 728,308.32/x
  3. Step 3: Cross multiply
    1,301,268.16x = 1,795,749.85 × 728,308.32
  4. Step 4: Simplify right side
    1,301,268.16x = 1,307,859,556,393.75
  5. Step 5: Solve for x
    x = 1,307,859,556,393.75/1,301,268.16
  6. Step 6: Final answer
    x = 1,005,065.36

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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.