Home / 1,630,920.70-2,446,190.88-432,936.10

Finding the Fourth Proportional to 1,630,920.70, 2,446,190.88 and 432,936.10

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Solution

The fourth proportional to 1,630,920.70, 2,446,190.88 and 432,936.10 is: 649,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,920.70 : 2,446,190.88 = 432,936.10 : x
  2. Step 2: Convert to fraction form
    1,630,920.70/2,446,190.88 = 432,936.10/x
  3. Step 3: Cross multiply
    1,630,920.70x = 2,446,190.88 × 432,936.10
  4. Step 4: Simplify right side
    1,630,920.70x = 1,059,044,339,442.77
  5. Step 5: Solve for x
    x = 1,059,044,339,442.77/1,630,920.70
  6. Step 6: Final answer
    x = 649,353.67

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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.