Home / 1,309,436.58-1,964,237.90-410,913.78

Finding the Fourth Proportional to 1,309,436.58, 1,964,237.90 and 410,913.78

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Solution

The fourth proportional to 1,309,436.58, 1,964,237.90 and 410,913.78 is: 616,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,436.58 : 1,964,237.90 = 410,913.78 : x
  2. Step 2: Convert to fraction form
    1,309,436.58/1,964,237.90 = 410,913.78/x
  3. Step 3: Cross multiply
    1,309,436.58x = 1,964,237.90 × 410,913.78
  4. Step 4: Simplify right side
    1,309,436.58x = 807,132,420,308.26
  5. Step 5: Solve for x
    x = 807,132,420,308.26/1,309,436.58
  6. Step 6: Final answer
    x = 616,396.73

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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.