Home / 1,407,165.75-2,110,719.06-342,213.39

Finding the Fourth Proportional to 1,407,165.75, 2,110,719.06 and 342,213.39

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Solution

The fourth proportional to 1,407,165.75, 2,110,719.06 and 342,213.39 is: 513,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,165.75 : 2,110,719.06 = 342,213.39 : x
  2. Step 2: Convert to fraction form
    1,407,165.75/2,110,719.06 = 342,213.39/x
  3. Step 3: Cross multiply
    1,407,165.75x = 2,110,719.06 × 342,213.39
  4. Step 4: Simplify right side
    1,407,165.75x = 722,316,324,860.21
  5. Step 5: Solve for x
    x = 722,316,324,860.21/1,407,165.75
  6. Step 6: Final answer
    x = 513,312.89

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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.