Home / 1,272,103.51-1,908,145.53-325,472.71

Finding the Fourth Proportional to 1,272,103.51, 1,908,145.53 and 325,472.71

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Solution

The fourth proportional to 1,272,103.51, 1,908,145.53 and 325,472.71 is: 488,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,103.51 : 1,908,145.53 = 325,472.71 : x
  2. Step 2: Convert to fraction form
    1,272,103.51/1,908,145.53 = 325,472.71/x
  3. Step 3: Cross multiply
    1,272,103.51x = 1,908,145.53 × 325,472.71
  4. Step 4: Simplify right side
    1,272,103.51x = 621,049,296,723.49
  5. Step 5: Solve for x
    x = 621,049,296,723.49/1,272,103.51
  6. Step 6: Final answer
    x = 488,206.57

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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.