Home / 1,309,971.39-1,964,956.93-363,342.11

Finding the Fourth Proportional to 1,309,971.39, 1,964,956.93 and 363,342.11

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Solution

The fourth proportional to 1,309,971.39, 1,964,956.93 and 363,342.11 is: 545,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,971.39 : 1,964,956.93 = 363,342.11 : x
  2. Step 2: Convert to fraction form
    1,309,971.39/1,964,956.93 = 363,342.11/x
  3. Step 3: Cross multiply
    1,309,971.39x = 1,964,956.93 × 363,342.11
  4. Step 4: Simplify right side
    1,309,971.39x = 713,951,586,272.18
  5. Step 5: Solve for x
    x = 713,951,586,272.18/1,309,971.39
  6. Step 6: Final answer
    x = 545,013.12

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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.