Home / 1,030,616.80-1,545,925.20-764,896.30

Finding the Fourth Proportional to 1,030,616.80, 1,545,925.20 and 764,896.30

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Solution

The fourth proportional to 1,030,616.80, 1,545,925.20 and 764,896.30 is: 1,147,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,616.80 : 1,545,925.20 = 764,896.30 : x
  2. Step 2: Convert to fraction form
    1,030,616.80/1,545,925.20 = 764,896.30/x
  3. Step 3: Cross multiply
    1,030,616.80x = 1,545,925.20 × 764,896.30
  4. Step 4: Simplify right side
    1,030,616.80x = 1,182,472,465,556.76
  5. Step 5: Solve for x
    x = 1,182,472,465,556.76/1,030,616.80
  6. Step 6: Final answer
    x = 1,147,344.45

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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.