Home / 1,272,293.59-1,908,439.17-325,662.79

Finding the Fourth Proportional to 1,272,293.59, 1,908,439.17 and 325,662.79

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Solution

The fourth proportional to 1,272,293.59, 1,908,439.17 and 325,662.79 is: 488,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,293.59 : 1,908,439.17 = 325,662.79 : x
  2. Step 2: Convert to fraction form
    1,272,293.59/1,908,439.17 = 325,662.79/x
  3. Step 3: Cross multiply
    1,272,293.59x = 1,908,439.17 × 325,662.79
  4. Step 4: Simplify right side
    1,272,293.59x = 621,507,624,647.48
  5. Step 5: Solve for x
    x = 621,507,624,647.48/1,272,293.59
  6. Step 6: Final answer
    x = 488,493.87

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Double scale
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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.