Home / 1,199,001.12-1,798,460.16-300,450.72

Finding the Fourth Proportional to 1,199,001.12, 1,798,460.16 and 300,450.72

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Solution

The fourth proportional to 1,199,001.12, 1,798,460.16 and 300,450.72 is: 450,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,001.12 : 1,798,460.16 = 300,450.72 : x
  2. Step 2: Convert to fraction form
    1,199,001.12/1,798,460.16 = 300,450.72/x
  3. Step 3: Cross multiply
    1,199,001.12x = 1,798,460.16 × 300,450.72
  4. Step 4: Simplify right side
    1,199,001.12x = 540,348,649,963.32
  5. Step 5: Solve for x
    x = 540,348,649,963.32/1,199,001.12
  6. Step 6: Final answer
    x = 450,665.68

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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.