Home / 1,191,975.05-1,788,017.67-393,326.39

Finding the Fourth Proportional to 1,191,975.05, 1,788,017.67 and 393,326.39

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Solution

The fourth proportional to 1,191,975.05, 1,788,017.67 and 393,326.39 is: 590,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,975.05 : 1,788,017.67 = 393,326.39 : x
  2. Step 2: Convert to fraction form
    1,191,975.05/1,788,017.67 = 393,326.39/x
  3. Step 3: Cross multiply
    1,191,975.05x = 1,788,017.67 × 393,326.39
  4. Step 4: Simplify right side
    1,191,975.05x = 703,274,535,397.31
  5. Step 5: Solve for x
    x = 703,274,535,397.31/1,191,975.05
  6. Step 6: Final answer
    x = 590,007.77

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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.