Home / 1,788,204.92-2,467,734.39-972,417.47

Finding the Fourth Proportional to 1,788,204.92, 2,467,734.39 and 972,417.47

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Solution

The fourth proportional to 1,788,204.92, 2,467,734.39 and 972,417.47 is: 1,341,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,204.92 : 2,467,734.39 = 972,417.47 : x
  2. Step 2: Convert to fraction form
    1,788,204.92/2,467,734.39 = 972,417.47/x
  3. Step 3: Cross multiply
    1,788,204.92x = 2,467,734.39 × 972,417.47
  4. Step 4: Simplify right side
    1,788,204.92x = 2,399,668,033,698.13
  5. Step 5: Solve for x
    x = 2,399,668,033,698.13/1,788,204.92
  6. Step 6: Final answer
    x = 1,341,942.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.