Home / 1,630,885.85-2,446,138.68-432,901.25

Finding the Fourth Proportional to 1,630,885.85, 2,446,138.68 and 432,901.25

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Solution

The fourth proportional to 1,630,885.85, 2,446,138.68 and 432,901.25 is: 649,301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,885.85 : 2,446,138.68 = 432,901.25 : x
  2. Step 2: Convert to fraction form
    1,630,885.85/2,446,138.68 = 432,901.25/x
  3. Step 3: Cross multiply
    1,630,885.85x = 2,446,138.68 × 432,901.25
  4. Step 4: Simplify right side
    1,630,885.85x = 1,058,936,480,014.66
  5. Step 5: Solve for x
    x = 1,058,936,480,014.66/1,630,885.85
  6. Step 6: Final answer
    x = 649,301.41

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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.