Home / 1,072,673.40-1,609,010.10-324,719.40

Finding the Fourth Proportional to 1,072,673.40, 1,609,010.10 and 324,719.40

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Solution

The fourth proportional to 1,072,673.40, 1,609,010.10 and 324,719.40 is: 487,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,673.40 : 1,609,010.10 = 324,719.40 : x
  2. Step 2: Convert to fraction form
    1,072,673.40/1,609,010.10 = 324,719.40/x
  3. Step 3: Cross multiply
    1,072,673.40x = 1,609,010.10 × 324,719.40
  4. Step 4: Simplify right side
    1,072,673.40x = 522,476,794,265.94
  5. Step 5: Solve for x
    x = 522,476,794,265.94/1,072,673.40
  6. Step 6: Final answer
    x = 487,079.10

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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.