Home / 1,296,277.20-1,939,750.20-876,373.20

Finding the Fourth Proportional to 1,296,277.20, 1,939,750.20 and 876,373.20

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Solution

The fourth proportional to 1,296,277.20, 1,939,750.20 and 876,373.20 is: 1,311,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,277.20 : 1,939,750.20 = 876,373.20 : x
  2. Step 2: Convert to fraction form
    1,296,277.20/1,939,750.20 = 876,373.20/x
  3. Step 3: Cross multiply
    1,296,277.20x = 1,939,750.20 × 876,373.20
  4. Step 4: Simplify right side
    1,296,277.20x = 1,699,945,089,974.64
  5. Step 5: Solve for x
    x = 1,699,945,089,974.64/1,296,277.20
  6. Step 6: Final answer
    x = 1,311,405.53

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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.