Home / 1,309,445.50-1,964,251.28-410,922.67

Finding the Fourth Proportional to 1,309,445.50, 1,964,251.28 and 410,922.67

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Solution

The fourth proportional to 1,309,445.50, 1,964,251.28 and 410,922.67 is: 616,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,445.50 : 1,964,251.28 = 410,922.67 : x
  2. Step 2: Convert to fraction form
    1,309,445.50/1,964,251.28 = 410,922.67/x
  3. Step 3: Cross multiply
    1,309,445.50x = 1,964,251.28 × 410,922.67
  4. Step 4: Simplify right side
    1,309,445.50x = 807,155,378,473.90
  5. Step 5: Solve for x
    x = 807,155,378,473.90/1,309,445.50
  6. Step 6: Final answer
    x = 616,410.06

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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.