Home / 1,825,199.47-2,735,868.55-687,469.42

Finding the Fourth Proportional to 1,825,199.47, 2,735,868.55 and 687,469.42

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Solution

The fourth proportional to 1,825,199.47, 2,735,868.55 and 687,469.42 is: 1,030,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,199.47 : 2,735,868.55 = 687,469.42 : x
  2. Step 2: Convert to fraction form
    1,825,199.47/2,735,868.55 = 687,469.42/x
  3. Step 3: Cross multiply
    1,825,199.47x = 2,735,868.55 × 687,469.42
  4. Step 4: Simplify right side
    1,825,199.47x = 1,880,825,965,264.74
  5. Step 5: Solve for x
    x = 1,880,825,965,264.74/1,825,199.47
  6. Step 6: Final answer
    x = 1,030,476.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.