Home / 1,309,980.90-1,964,971.16-363,351.62

Finding the Fourth Proportional to 1,309,980.90, 1,964,971.16 and 363,351.62

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Solution

The fourth proportional to 1,309,980.90, 1,964,971.16 and 363,351.62 is: 545,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,980.90 : 1,964,971.16 = 363,351.62 : x
  2. Step 2: Convert to fraction form
    1,309,980.90/1,964,971.16 = 363,351.62/x
  3. Step 3: Cross multiply
    1,309,980.90x = 1,964,971.16 × 363,351.62
  4. Step 4: Simplify right side
    1,309,980.90x = 713,975,454,239.28
  5. Step 5: Solve for x
    x = 713,975,454,239.28/1,309,980.90
  6. Step 6: Final answer
    x = 545,027.38

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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.