Home / 1,079,049.80-1,618,574.70-448,416.20

Finding the Fourth Proportional to 1,079,049.80, 1,618,574.70 and 448,416.20

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Solution

The fourth proportional to 1,079,049.80, 1,618,574.70 and 448,416.20 is: 672,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,049.80 : 1,618,574.70 = 448,416.20 : x
  2. Step 2: Convert to fraction form
    1,079,049.80/1,618,574.70 = 448,416.20/x
  3. Step 3: Cross multiply
    1,079,049.80x = 1,618,574.70 × 448,416.20
  4. Step 4: Simplify right side
    1,079,049.80x = 725,795,116,390.14
  5. Step 5: Solve for x
    x = 725,795,116,390.14/1,079,049.80
  6. Step 6: Final answer
    x = 672,624.30

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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.