Home / 1,266,858.48-1,900,300.32-320,229.48

Finding the Fourth Proportional to 1,266,858.48, 1,900,300.32 and 320,229.48

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Solution

The fourth proportional to 1,266,858.48, 1,900,300.32 and 320,229.48 is: 480,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,858.48 : 1,900,300.32 = 320,229.48 : x
  2. Step 2: Convert to fraction form
    1,266,858.48/1,900,300.32 = 320,229.48/x
  3. Step 3: Cross multiply
    1,266,858.48x = 1,900,300.32 × 320,229.48
  4. Step 4: Simplify right side
    1,266,858.48x = 608,532,183,317.43
  5. Step 5: Solve for x
    x = 608,532,183,317.43/1,266,858.48
  6. Step 6: Final answer
    x = 480,347.40

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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.