Home / 1,210,076.70-1,815,115.05-323,612.70

Finding the Fourth Proportional to 1,210,076.70, 1,815,115.05 and 323,612.70

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Solution

The fourth proportional to 1,210,076.70, 1,815,115.05 and 323,612.70 is: 485,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,076.70 : 1,815,115.05 = 323,612.70 : x
  2. Step 2: Convert to fraction form
    1,210,076.70/1,815,115.05 = 323,612.70/x
  3. Step 3: Cross multiply
    1,210,076.70x = 1,815,115.05 × 323,612.70
  4. Step 4: Simplify right side
    1,210,076.70x = 587,394,282,141.14
  5. Step 5: Solve for x
    x = 587,394,282,141.14/1,210,076.70
  6. Step 6: Final answer
    x = 485,419.05

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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.