Home / 1,272,273.60-1,908,409.16-325,642.80

Finding the Fourth Proportional to 1,272,273.60, 1,908,409.16 and 325,642.80

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Solution

The fourth proportional to 1,272,273.60, 1,908,409.16 and 325,642.80 is: 488,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,273.60 : 1,908,409.16 = 325,642.80 : x
  2. Step 2: Convert to fraction form
    1,272,273.60/1,908,409.16 = 325,642.80/x
  3. Step 3: Cross multiply
    1,272,273.60x = 1,908,409.16 × 325,642.80
  4. Step 4: Simplify right side
    1,272,273.60x = 621,459,702,408.05
  5. Step 5: Solve for x
    x = 621,459,702,408.05/1,272,273.60
  6. Step 6: Final answer
    x = 488,463.88

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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.