Home / 1,007,763.55-1,511,635.86-408,582.25

Finding the Fourth Proportional to 1,007,763.55, 1,511,635.86 and 408,582.25

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Solution

The fourth proportional to 1,007,763.55, 1,511,635.86 and 408,582.25 is: 612,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,763.55 : 1,511,635.86 = 408,582.25 : x
  2. Step 2: Convert to fraction form
    1,007,763.55/1,511,635.86 = 408,582.25/x
  3. Step 3: Cross multiply
    1,007,763.55x = 1,511,635.86 × 408,582.25
  4. Step 4: Simplify right side
    1,007,763.55x = 617,627,580,859.49
  5. Step 5: Solve for x
    x = 617,627,580,859.49/1,007,763.55
  6. Step 6: Final answer
    x = 612,869.54

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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.