Home / 1,326,344.40-1,989,516.60-329,072.40

Finding the Fourth Proportional to 1,326,344.40, 1,989,516.60 and 329,072.40

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Solution

The fourth proportional to 1,326,344.40, 1,989,516.60 and 329,072.40 is: 493,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,344.40 : 1,989,516.60 = 329,072.40 : x
  2. Step 2: Convert to fraction form
    1,326,344.40/1,989,516.60 = 329,072.40/x
  3. Step 3: Cross multiply
    1,326,344.40x = 1,989,516.60 × 329,072.40
  4. Step 4: Simplify right side
    1,326,344.40x = 654,695,002,401.84
  5. Step 5: Solve for x
    x = 654,695,002,401.84/1,326,344.40
  6. Step 6: Final answer
    x = 493,608.60

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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.