Home / 1,105,943.37-1,656,257.85-631,189.41

Finding the Fourth Proportional to 1,105,943.37, 1,656,257.85 and 631,189.41

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Solution

The fourth proportional to 1,105,943.37, 1,656,257.85 and 631,189.41 is: 945,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,943.37 : 1,656,257.85 = 631,189.41 : x
  2. Step 2: Convert to fraction form
    1,105,943.37/1,656,257.85 = 631,189.41/x
  3. Step 3: Cross multiply
    1,105,943.37x = 1,656,257.85 × 631,189.41
  4. Step 4: Simplify right side
    1,105,943.37x = 1,045,412,415,149.37
  5. Step 5: Solve for x
    x = 1,045,412,415,149.37/1,105,943.37
  6. Step 6: Final answer
    x = 945,267.58

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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.