Home / 1,122,086.80-1,683,130.20-448,272.10

Finding the Fourth Proportional to 1,122,086.80, 1,683,130.20 and 448,272.10

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Solution

The fourth proportional to 1,122,086.80, 1,683,130.20 and 448,272.10 is: 672,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,086.80 : 1,683,130.20 = 448,272.10 : x
  2. Step 2: Convert to fraction form
    1,122,086.80/1,683,130.20 = 448,272.10/x
  3. Step 3: Cross multiply
    1,122,086.80x = 1,683,130.20 × 448,272.10
  4. Step 4: Simplify right side
    1,122,086.80x = 754,500,309,327.42
  5. Step 5: Solve for x
    x = 754,500,309,327.42/1,122,086.80
  6. Step 6: Final answer
    x = 672,408.15

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Double scale
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Similar ratio
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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.