Home / 1,407,504.11-2,111,256.36-342,546.17

Finding the Fourth Proportional to 1,407,504.11, 2,111,256.36 and 342,546.17

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Solution

The fourth proportional to 1,407,504.11, 2,111,256.36 and 342,546.17 is: 513,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,504.11 : 2,111,256.36 = 342,546.17 : x
  2. Step 2: Convert to fraction form
    1,407,504.11/2,111,256.36 = 342,546.17/x
  3. Step 3: Cross multiply
    1,407,504.11x = 2,111,256.36 × 342,546.17
  4. Step 4: Simplify right side
    1,407,504.11x = 723,202,769,449.86
  5. Step 5: Solve for x
    x = 723,202,769,449.86/1,407,504.11
  6. Step 6: Final answer
    x = 513,819.30

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Double scale
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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.