Home / 1,491,668.80-2,238,280.80-650,305.60

Finding the Fourth Proportional to 1,491,668.80, 2,238,280.80 and 650,305.60

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Solution

The fourth proportional to 1,491,668.80, 2,238,280.80 and 650,305.60 is: 975,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,668.80 : 2,238,280.80 = 650,305.60 : x
  2. Step 2: Convert to fraction form
    1,491,668.80/2,238,280.80 = 650,305.60/x
  3. Step 3: Cross multiply
    1,491,668.80x = 2,238,280.80 × 650,305.60
  4. Step 4: Simplify right side
    1,491,668.80x = 1,455,566,538,612.48
  5. Step 5: Solve for x
    x = 1,455,566,538,612.48/1,491,668.80
  6. Step 6: Final answer
    x = 975,797.40

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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.