Home / 1,670,806.32-2,305,714.59-906,859.68

Finding the Fourth Proportional to 1,670,806.32, 2,305,714.59 and 906,859.68

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Solution

The fourth proportional to 1,670,806.32, 2,305,714.59 and 906,859.68 is: 1,251,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,806.32 : 2,305,714.59 = 906,859.68 : x
  2. Step 2: Convert to fraction form
    1,670,806.32/2,305,714.59 = 906,859.68/x
  3. Step 3: Cross multiply
    1,670,806.32x = 2,305,714.59 × 906,859.68
  4. Step 4: Simplify right side
    1,670,806.32x = 2,090,959,595,258.73
  5. Step 5: Solve for x
    x = 2,090,959,595,258.73/1,670,806.32
  6. Step 6: Final answer
    x = 1,251,467.37

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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.