Home / 1,122,298.80-1,683,448.20-280,849.20

Finding the Fourth Proportional to 1,122,298.80, 1,683,448.20 and 280,849.20

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Solution

The fourth proportional to 1,122,298.80, 1,683,448.20 and 280,849.20 is: 421,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,298.80 : 1,683,448.20 = 280,849.20 : x
  2. Step 2: Convert to fraction form
    1,122,298.80/1,683,448.20 = 280,849.20/x
  3. Step 3: Cross multiply
    1,122,298.80x = 1,683,448.20 × 280,849.20
  4. Step 4: Simplify right side
    1,122,298.80x = 472,795,080,211.44
  5. Step 5: Solve for x
    x = 472,795,080,211.44/1,122,298.80
  6. Step 6: Final answer
    x = 421,273.80

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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.