Home / 1,350,410.40-2,025,615.60-353,138.40

Finding the Fourth Proportional to 1,350,410.40, 2,025,615.60 and 353,138.40

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Solution

The fourth proportional to 1,350,410.40, 2,025,615.60 and 353,138.40 is: 529,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,410.40 : 2,025,615.60 = 353,138.40 : x
  2. Step 2: Convert to fraction form
    1,350,410.40/2,025,615.60 = 353,138.40/x
  3. Step 3: Cross multiply
    1,350,410.40x = 2,025,615.60 × 353,138.40
  4. Step 4: Simplify right side
    1,350,410.40x = 715,322,651,999.04
  5. Step 5: Solve for x
    x = 715,322,651,999.04/1,350,410.40
  6. Step 6: Final answer
    x = 529,707.60

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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.