Home / 1,405,892.28-1,940,202-825,140.58

Finding the Fourth Proportional to 1,405,892.28, 1,940,202 and 825,140.58

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Solution

The fourth proportional to 1,405,892.28, 1,940,202 and 825,140.58 is: 1,138,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,892.28 : 1,940,202 = 825,140.58 : x
  2. Step 2: Convert to fraction form
    1,405,892.28/1,940,202 = 825,140.58/x
  3. Step 3: Cross multiply
    1,405,892.28x = 1,940,202 × 825,140.58
  4. Step 4: Simplify right side
    1,405,892.28x = 1,600,939,403,597.16
  5. Step 5: Solve for x
    x = 1,600,939,403,597.16/1,405,892.28
  6. Step 6: Final answer
    x = 1,138,735.47

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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.