Home / 1,128,563.48-1,692,871.20-275,642.21

Finding the Fourth Proportional to 1,128,563.48, 1,692,871.20 and 275,642.21

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Solution

The fourth proportional to 1,128,563.48, 1,692,871.20 and 275,642.21 is: 413,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,563.48 : 1,692,871.20 = 275,642.21 : x
  2. Step 2: Convert to fraction form
    1,128,563.48/1,692,871.20 = 275,642.21/x
  3. Step 3: Cross multiply
    1,128,563.48x = 1,692,871.20 × 275,642.21
  4. Step 4: Simplify right side
    1,128,563.48x = 466,626,758,813.35
  5. Step 5: Solve for x
    x = 466,626,758,813.35/1,128,563.48
  6. Step 6: Final answer
    x = 413,469.66

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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.