Home / 1,095,907.77-1,643,993.42-385,788.33

Finding the Fourth Proportional to 1,095,907.77, 1,643,993.42 and 385,788.33

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Solution

The fourth proportional to 1,095,907.77, 1,643,993.42 and 385,788.33 is: 578,728.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,907.77 : 1,643,993.42 = 385,788.33 : x
  2. Step 2: Convert to fraction form
    1,095,907.77/1,643,993.42 = 385,788.33/x
  3. Step 3: Cross multiply
    1,095,907.77x = 1,643,993.42 × 385,788.33
  4. Step 4: Simplify right side
    1,095,907.77x = 634,233,474,103.85
  5. Step 5: Solve for x
    x = 634,233,474,103.85/1,095,907.77
  6. Step 6: Final answer
    x = 578,728.88

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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.