Home / 1,078,012.80-1,615,723.20-446,601.60

Finding the Fourth Proportional to 1,078,012.80, 1,615,723.20 and 446,601.60

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Solution

The fourth proportional to 1,078,012.80, 1,615,723.20 and 446,601.60 is: 669,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,012.80 : 1,615,723.20 = 446,601.60 : x
  2. Step 2: Convert to fraction form
    1,078,012.80/1,615,723.20 = 446,601.60/x
  3. Step 3: Cross multiply
    1,078,012.80x = 1,615,723.20 × 446,601.60
  4. Step 4: Simplify right side
    1,078,012.80x = 721,584,566,277.12
  5. Step 5: Solve for x
    x = 721,584,566,277.12/1,078,012.80
  6. Step 6: Final answer
    x = 669,365.49

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1.5x scale

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.