Home / 1,248,120.29-1,872,180.44-301,491.01

Finding the Fourth Proportional to 1,248,120.29, 1,872,180.44 and 301,491.01

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Solution

The fourth proportional to 1,248,120.29, 1,872,180.44 and 301,491.01 is: 452,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,120.29 : 1,872,180.44 = 301,491.01 : x
  2. Step 2: Convert to fraction form
    1,248,120.29/1,872,180.44 = 301,491.01/x
  3. Step 3: Cross multiply
    1,248,120.29x = 1,872,180.44 × 301,491.01
  4. Step 4: Simplify right side
    1,248,120.29x = 564,445,571,757.84
  5. Step 5: Solve for x
    x = 564,445,571,757.84/1,248,120.29
  6. Step 6: Final answer
    x = 452,236.52

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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.