Home / 1,272,297.76-1,908,402.90-325,676.68

Finding the Fourth Proportional to 1,272,297.76, 1,908,402.90 and 325,676.68

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Solution

The fourth proportional to 1,272,297.76, 1,908,402.90 and 325,676.68 is: 488,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,297.76 : 1,908,402.90 = 325,676.68 : x
  2. Step 2: Convert to fraction form
    1,272,297.76/1,908,402.90 = 325,676.68/x
  3. Step 3: Cross multiply
    1,272,297.76x = 1,908,402.90 × 325,676.68
  4. Step 4: Simplify right side
    1,272,297.76x = 621,522,320,574.37
  5. Step 5: Solve for x
    x = 621,522,320,574.37/1,272,297.76
  6. Step 6: Final answer
    x = 488,503.82

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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.