Home / 1,028,597.85-1,542,721.82-280,468.89

Finding the Fourth Proportional to 1,028,597.85, 1,542,721.82 and 280,468.89

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Solution

The fourth proportional to 1,028,597.85, 1,542,721.82 and 280,468.89 is: 420,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,597.85 : 1,542,721.82 = 280,468.89 : x
  2. Step 2: Convert to fraction form
    1,028,597.85/1,542,721.82 = 280,468.89/x
  3. Step 3: Cross multiply
    1,028,597.85x = 1,542,721.82 × 280,468.89
  4. Step 4: Simplify right side
    1,028,597.85x = 432,685,475,031.84
  5. Step 5: Solve for x
    x = 432,685,475,031.84/1,028,597.85
  6. Step 6: Final answer
    x = 420,655.63

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1.5x scale

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.