Home / 1,008,932.64-1,391,539.72-646,390.22

Finding the Fourth Proportional to 1,008,932.64, 1,391,539.72 and 646,390.22

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Solution

The fourth proportional to 1,008,932.64, 1,391,539.72 and 646,390.22 is: 891,514.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,932.64 : 1,391,539.72 = 646,390.22 : x
  2. Step 2: Convert to fraction form
    1,008,932.64/1,391,539.72 = 646,390.22/x
  3. Step 3: Cross multiply
    1,008,932.64x = 1,391,539.72 × 646,390.22
  4. Step 4: Simplify right side
    1,008,932.64x = 899,477,665,749.54
  5. Step 5: Solve for x
    x = 899,477,665,749.54/1,008,932.64
  6. Step 6: Final answer
    x = 891,514.09

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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.