Home / 1,272,027.51-1,908,031.55-325,396.71

Finding the Fourth Proportional to 1,272,027.51, 1,908,031.55 and 325,396.71

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Solution

The fourth proportional to 1,272,027.51, 1,908,031.55 and 325,396.71 is: 488,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,027.51 : 1,908,031.55 = 325,396.71 : x
  2. Step 2: Convert to fraction form
    1,272,027.51/1,908,031.55 = 325,396.71/x
  3. Step 3: Cross multiply
    1,272,027.51x = 1,908,031.55 × 325,396.71
  4. Step 4: Simplify right side
    1,272,027.51x = 620,867,187,319.22
  5. Step 5: Solve for x
    x = 620,867,187,319.22/1,272,027.51
  6. Step 6: Final answer
    x = 488,092.58

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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.