Home / 1,095,396.30-1,643,076.62-421,623.96

Finding the Fourth Proportional to 1,095,396.30, 1,643,076.62 and 421,623.96

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Solution

The fourth proportional to 1,095,396.30, 1,643,076.62 and 421,623.96 is: 632,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,396.30 : 1,643,076.62 = 421,623.96 : x
  2. Step 2: Convert to fraction form
    1,095,396.30/1,643,076.62 = 421,623.96/x
  3. Step 3: Cross multiply
    1,095,396.30x = 1,643,076.62 × 421,623.96
  4. Step 4: Simplify right side
    1,095,396.30x = 692,760,471,107.82
  5. Step 5: Solve for x
    x = 692,760,471,107.82/1,095,396.30
  6. Step 6: Final answer
    x = 632,429.08

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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.