Home / 1,248,120.80-1,872,181.19-301,491.51

Finding the Fourth Proportional to 1,248,120.80, 1,872,181.19 and 301,491.51

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Solution

The fourth proportional to 1,248,120.80, 1,872,181.19 and 301,491.51 is: 452,237.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,120.80 : 1,872,181.19 = 301,491.51 : x
  2. Step 2: Convert to fraction form
    1,248,120.80/1,872,181.19 = 301,491.51/x
  3. Step 3: Cross multiply
    1,248,120.80x = 1,872,181.19 × 301,491.51
  4. Step 4: Simplify right side
    1,248,120.80x = 564,446,734,720.43
  5. Step 5: Solve for x
    x = 564,446,734,720.43/1,248,120.80
  6. Step 6: Final answer
    x = 452,237.27

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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.