Home / 1,310,364.90-1,965,637.13-445,447.85

Finding the Fourth Proportional to 1,310,364.90, 1,965,637.13 and 445,447.85

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Solution

The fourth proportional to 1,310,364.90, 1,965,637.13 and 445,447.85 is: 668,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,364.90 : 1,965,637.13 = 445,447.85 : x
  2. Step 2: Convert to fraction form
    1,310,364.90/1,965,637.13 = 445,447.85/x
  3. Step 3: Cross multiply
    1,310,364.90x = 1,965,637.13 × 445,447.85
  4. Step 4: Simplify right side
    1,310,364.90x = 875,588,821,383.25
  5. Step 5: Solve for x
    x = 875,588,821,383.25/1,310,364.90
  6. Step 6: Final answer
    x = 668,202.29

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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.