Home / 1,310,469.90-1,964,929.14-510,817.92

Finding the Fourth Proportional to 1,310,469.90, 1,964,929.14 and 510,817.92

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Solution

The fourth proportional to 1,310,469.90, 1,964,929.14 and 510,817.92 is: 765,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,469.90 : 1,964,929.14 = 510,817.92 : x
  2. Step 2: Convert to fraction form
    1,310,469.90/1,964,929.14 = 510,817.92/x
  3. Step 3: Cross multiply
    1,310,469.90x = 1,964,929.14 × 510,817.92
  4. Step 4: Simplify right side
    1,310,469.90x = 1,003,721,016,242.19
  5. Step 5: Solve for x
    x = 1,003,721,016,242.19/1,310,469.90
  6. Step 6: Final answer
    x = 765,924.51

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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.