Home / 1,645,562.32-2,271,086.31-920,450.32

Finding the Fourth Proportional to 1,645,562.32, 2,271,086.31 and 920,450.32

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Solution

The fourth proportional to 1,645,562.32, 2,271,086.31 and 920,450.32 is: 1,270,339.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,562.32 : 2,271,086.31 = 920,450.32 : x
  2. Step 2: Convert to fraction form
    1,645,562.32/2,271,086.31 = 920,450.32/x
  3. Step 3: Cross multiply
    1,645,562.32x = 2,271,086.31 × 920,450.32
  4. Step 4: Simplify right side
    1,645,562.32x = 2,090,422,120,787.12
  5. Step 5: Solve for x
    x = 2,090,422,120,787.12/1,645,562.32
  6. Step 6: Final answer
    x = 1,270,339.08

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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.