Home / 869,101.20-1,303,651.80-764,038.80

Finding the Fourth Proportional to 869,101.20, 1,303,651.80 and 764,038.80

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Solution

The fourth proportional to 869,101.20, 1,303,651.80 and 764,038.80 is: 1,146,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,101.20 : 1,303,651.80 = 764,038.80 : x
  2. Step 2: Convert to fraction form
    869,101.20/1,303,651.80 = 764,038.80/x
  3. Step 3: Cross multiply
    869,101.20x = 1,303,651.80 × 764,038.80
  4. Step 4: Simplify right side
    869,101.20x = 996,040,556,889.84
  5. Step 5: Solve for x
    x = 996,040,556,889.84/869,101.20
  6. Step 6: Final answer
    x = 1,146,058.20

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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.