Home / 1,030,619.80-1,545,929.70-764,899.30

Finding the Fourth Proportional to 1,030,619.80, 1,545,929.70 and 764,899.30

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Solution

The fourth proportional to 1,030,619.80, 1,545,929.70 and 764,899.30 is: 1,147,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,619.80 : 1,545,929.70 = 764,899.30 : x
  2. Step 2: Convert to fraction form
    1,030,619.80/1,545,929.70 = 764,899.30/x
  3. Step 3: Cross multiply
    1,030,619.80x = 1,545,929.70 × 764,899.30
  4. Step 4: Simplify right side
    1,030,619.80x = 1,182,480,545,379.21
  5. Step 5: Solve for x
    x = 1,182,480,545,379.21/1,030,619.80
  6. Step 6: Final answer
    x = 1,147,348.95

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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.