Home / 1,192,298.58-1,788,068.52-393,431.22

Finding the Fourth Proportional to 1,192,298.58, 1,788,068.52 and 393,431.22

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Solution

The fourth proportional to 1,192,298.58, 1,788,068.52 and 393,431.22 is: 590,021.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,298.58 : 1,788,068.52 = 393,431.22 : x
  2. Step 2: Convert to fraction form
    1,192,298.58/1,788,068.52 = 393,431.22/x
  3. Step 3: Cross multiply
    1,192,298.58x = 1,788,068.52 × 393,431.22
  4. Step 4: Simplify right side
    1,192,298.58x = 703,481,979,267.19
  5. Step 5: Solve for x
    x = 703,481,979,267.19/1,192,298.58
  6. Step 6: Final answer
    x = 590,021.65

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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.