Home / 1,128,563.73-1,692,871.57-275,642.46

Finding the Fourth Proportional to 1,128,563.73, 1,692,871.57 and 275,642.46

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Solution

The fourth proportional to 1,128,563.73, 1,692,871.57 and 275,642.46 is: 413,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,563.73 : 1,692,871.57 = 275,642.46 : x
  2. Step 2: Convert to fraction form
    1,128,563.73/1,692,871.57 = 275,642.46/x
  3. Step 3: Cross multiply
    1,128,563.73x = 1,692,871.57 × 275,642.46
  4. Step 4: Simplify right side
    1,128,563.73x = 466,627,284,363.42
  5. Step 5: Solve for x
    x = 466,627,284,363.42/1,128,563.73
  6. Step 6: Final answer
    x = 413,470.03

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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.