Home / 1,084,578.71-1,624,579.36-870,185.88

Finding the Fourth Proportional to 1,084,578.71, 1,624,579.36 and 870,185.88

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Solution

The fourth proportional to 1,084,578.71, 1,624,579.36 and 870,185.88 is: 1,303,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,578.71 : 1,624,579.36 = 870,185.88 : x
  2. Step 2: Convert to fraction form
    1,084,578.71/1,624,579.36 = 870,185.88/x
  3. Step 3: Cross multiply
    1,084,578.71x = 1,624,579.36 × 870,185.88
  4. Step 4: Simplify right side
    1,084,578.71x = 1,413,686,017,835.97
  5. Step 5: Solve for x
    x = 1,413,686,017,835.97/1,084,578.71
  6. Step 6: Final answer
    x = 1,303,442.54

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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.