Home / 1,173,745.89-1,619,776.04-690,331.41

Finding the Fourth Proportional to 1,173,745.89, 1,619,776.04 and 690,331.41

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Solution

The fourth proportional to 1,173,745.89, 1,619,776.04 and 690,331.41 is: 952,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,745.89 : 1,619,776.04 = 690,331.41 : x
  2. Step 2: Convert to fraction form
    1,173,745.89/1,619,776.04 = 690,331.41/x
  3. Step 3: Cross multiply
    1,173,745.89x = 1,619,776.04 × 690,331.41
  4. Step 4: Simplify right side
    1,173,745.89x = 1,118,182,274,125.76
  5. Step 5: Solve for x
    x = 1,118,182,274,125.76/1,173,745.89
  6. Step 6: Final answer
    x = 952,661.29

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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.