Home / 1,289,867.06-1,775,950.83-1,170,292.83

Finding the Fourth Proportional to 1,289,867.06, 1,775,950.83 and 1,170,292.83

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Solution

The fourth proportional to 1,289,867.06, 1,775,950.83 and 1,170,292.83 is: 1,611,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,867.06 : 1,775,950.83 = 1,170,292.83 : x
  2. Step 2: Convert to fraction form
    1,289,867.06/1,775,950.83 = 1,170,292.83/x
  3. Step 3: Cross multiply
    1,289,867.06x = 1,775,950.83 × 1,170,292.83
  4. Step 4: Simplify right side
    1,289,867.06x = 2,078,382,522,781.55
  5. Step 5: Solve for x
    x = 2,078,382,522,781.55/1,289,867.06
  6. Step 6: Final answer
    x = 1,611,315.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.