Home / 1,248,323.28-1,872,485.21-301,693.89

Finding the Fourth Proportional to 1,248,323.28, 1,872,485.21 and 301,693.89

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Solution

The fourth proportional to 1,248,323.28, 1,872,485.21 and 301,693.89 is: 452,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,323.28 : 1,872,485.21 = 301,693.89 : x
  2. Step 2: Convert to fraction form
    1,248,323.28/1,872,485.21 = 301,693.89/x
  3. Step 3: Cross multiply
    1,248,323.28x = 1,872,485.21 × 301,693.89
  4. Step 4: Simplify right side
    1,248,323.28x = 564,917,346,972.37
  5. Step 5: Solve for x
    x = 564,917,346,972.37/1,248,323.28
  6. Step 6: Final answer
    x = 452,540.91

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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.