Home / 1,266,906.08-1,900,359.08-320,276.80

Finding the Fourth Proportional to 1,266,906.08, 1,900,359.08 and 320,276.80

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Solution

The fourth proportional to 1,266,906.08, 1,900,359.08 and 320,276.80 is: 480,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,906.08 : 1,900,359.08 = 320,276.80 : x
  2. Step 2: Convert to fraction form
    1,266,906.08/1,900,359.08 = 320,276.80/x
  3. Step 3: Cross multiply
    1,266,906.08x = 1,900,359.08 × 320,276.80
  4. Step 4: Simplify right side
    1,266,906.08x = 608,640,924,993.34
  5. Step 5: Solve for x
    x = 608,640,924,993.34/1,266,906.08
  6. Step 6: Final answer
    x = 480,415.19

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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.