Home / 1,007,764.05-1,511,636.61-408,582.75

Finding the Fourth Proportional to 1,007,764.05, 1,511,636.61 and 408,582.75

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Solution

The fourth proportional to 1,007,764.05, 1,511,636.61 and 408,582.75 is: 612,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,764.05 : 1,511,636.61 = 408,582.75 : x
  2. Step 2: Convert to fraction form
    1,007,764.05/1,511,636.61 = 408,582.75/x
  3. Step 3: Cross multiply
    1,007,764.05x = 1,511,636.61 × 408,582.75
  4. Step 4: Simplify right side
    1,007,764.05x = 617,628,643,114.48
  5. Step 5: Solve for x
    x = 617,628,643,114.48/1,007,764.05
  6. Step 6: Final answer
    x = 612,870.29

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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.