Home / 440,551.26-660,827.40-120,705.85

Finding the Fourth Proportional to 440,551.26, 660,827.40 and 120,705.85

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Solution

The fourth proportional to 440,551.26, 660,827.40 and 120,705.85 is: 181,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,551.26 : 660,827.40 = 120,705.85 : x
  2. Step 2: Convert to fraction form
    440,551.26/660,827.40 = 120,705.85/x
  3. Step 3: Cross multiply
    440,551.26x = 660,827.40 × 120,705.85
  4. Step 4: Simplify right side
    440,551.26x = 79,765,731,368.22
  5. Step 5: Solve for x
    x = 79,765,731,368.22/440,551.26
  6. Step 6: Final answer
    x = 181,058.91

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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.