Home / 1,105,437.72-1,525,486.39-622,002.59

Finding the Fourth Proportional to 1,105,437.72, 1,525,486.39 and 622,002.59

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Solution

The fourth proportional to 1,105,437.72, 1,525,486.39 and 622,002.59 is: 858,353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,437.72 : 1,525,486.39 = 622,002.59 : x
  2. Step 2: Convert to fraction form
    1,105,437.72/1,525,486.39 = 622,002.59/x
  3. Step 3: Cross multiply
    1,105,437.72x = 1,525,486.39 × 622,002.59
  4. Step 4: Simplify right side
    1,105,437.72x = 948,856,476,407.31
  5. Step 5: Solve for x
    x = 948,856,476,407.31/1,105,437.72
  6. Step 6: Final answer
    x = 858,353.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.