Home / 1,368,133.92-1,888,010.88-764,521.92

Finding the Fourth Proportional to 1,368,133.92, 1,888,010.88 and 764,521.92

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Solution

The fourth proportional to 1,368,133.92, 1,888,010.88 and 764,521.92 is: 1,055,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,133.92 : 1,888,010.88 = 764,521.92 : x
  2. Step 2: Convert to fraction form
    1,368,133.92/1,888,010.88 = 764,521.92/x
  3. Step 3: Cross multiply
    1,368,133.92x = 1,888,010.88 × 764,521.92
  4. Step 4: Simplify right side
    1,368,133.92x = 1,443,425,702,958.49
  5. Step 5: Solve for x
    x = 1,443,425,702,958.49/1,368,133.92
  6. Step 6: Final answer
    x = 1,055,032.47

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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.