Home / 1,307,063.22-1,960,596.38-408,509.67

Finding the Fourth Proportional to 1,307,063.22, 1,960,596.38 and 408,509.67

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Solution

The fourth proportional to 1,307,063.22, 1,960,596.38 and 408,509.67 is: 612,764.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,063.22 : 1,960,596.38 = 408,509.67 : x
  2. Step 2: Convert to fraction form
    1,307,063.22/1,960,596.38 = 408,509.67/x
  3. Step 3: Cross multiply
    1,307,063.22x = 1,960,596.38 × 408,509.67
  4. Step 4: Simplify right side
    1,307,063.22x = 800,922,578,154.45
  5. Step 5: Solve for x
    x = 800,922,578,154.45/1,307,063.22
  6. Step 6: Final answer
    x = 612,764.99

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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.