Home / 1,521,628.66-2,099,821.89-842,550.58

Finding the Fourth Proportional to 1,521,628.66, 2,099,821.89 and 842,550.58

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Solution

The fourth proportional to 1,521,628.66, 2,099,821.89 and 842,550.58 is: 1,162,705.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,628.66 : 2,099,821.89 = 842,550.58 : x
  2. Step 2: Convert to fraction form
    1,521,628.66/2,099,821.89 = 842,550.58/x
  3. Step 3: Cross multiply
    1,521,628.66x = 2,099,821.89 × 842,550.58
  4. Step 4: Simplify right side
    1,521,628.66x = 1,769,206,151,316.20
  5. Step 5: Solve for x
    x = 1,769,206,151,316.20/1,521,628.66
  6. Step 6: Final answer
    x = 1,162,705.59

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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.