Home / 1,214,507.61-1,819,767.42-415,353.15

Finding the Fourth Proportional to 1,214,507.61, 1,819,767.42 and 415,353.15

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Solution

The fourth proportional to 1,214,507.61, 1,819,767.42 and 415,353.15 is: 622,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,507.61 : 1,819,767.42 = 415,353.15 : x
  2. Step 2: Convert to fraction form
    1,214,507.61/1,819,767.42 = 415,353.15/x
  3. Step 3: Cross multiply
    1,214,507.61x = 1,819,767.42 × 415,353.15
  4. Step 4: Simplify right side
    1,214,507.61x = 755,846,130,164.37
  5. Step 5: Solve for x
    x = 755,846,130,164.37/1,214,507.61
  6. Step 6: Final answer
    x = 622,347.79

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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.