Home / 1,266,809.24-1,900,279.20-320,188.16

Finding the Fourth Proportional to 1,266,809.24, 1,900,279.20 and 320,188.16

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Solution

The fourth proportional to 1,266,809.24, 1,900,279.20 and 320,188.16 is: 480,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,809.24 : 1,900,279.20 = 320,188.16 : x
  2. Step 2: Convert to fraction form
    1,266,809.24/1,900,279.20 = 320,188.16/x
  3. Step 3: Cross multiply
    1,266,809.24x = 1,900,279.20 × 320,188.16
  4. Step 4: Simplify right side
    1,266,809.24x = 608,446,900,534.27
  5. Step 5: Solve for x
    x = 608,446,900,534.27/1,266,809.24
  6. Step 6: Final answer
    x = 480,298.75

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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.