Home / 1,208,932.28-1,668,260.66-664,980.26

Finding the Fourth Proportional to 1,208,932.28, 1,668,260.66 and 664,980.26

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Solution

The fourth proportional to 1,208,932.28, 1,668,260.66 and 664,980.26 is: 917,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,932.28 : 1,668,260.66 = 664,980.26 : x
  2. Step 2: Convert to fraction form
    1,208,932.28/1,668,260.66 = 664,980.26/x
  3. Step 3: Cross multiply
    1,208,932.28x = 1,668,260.66 × 664,980.26
  4. Step 4: Simplify right side
    1,208,932.28x = 1,109,360,395,768.37
  5. Step 5: Solve for x
    x = 1,109,360,395,768.37/1,208,932.28
  6. Step 6: Final answer
    x = 917,636.51

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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.