Home / 1,645,640.46-2,271,466.62-957,474.18

Finding the Fourth Proportional to 1,645,640.46, 2,271,466.62 and 957,474.18

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Solution

The fourth proportional to 1,645,640.46, 2,271,466.62 and 957,474.18 is: 1,321,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,640.46 : 2,271,466.62 = 957,474.18 : x
  2. Step 2: Convert to fraction form
    1,645,640.46/2,271,466.62 = 957,474.18/x
  3. Step 3: Cross multiply
    1,645,640.46x = 2,271,466.62 × 957,474.18
  4. Step 4: Simplify right side
    1,645,640.46x = 2,174,870,639,381.87
  5. Step 5: Solve for x
    x = 2,174,870,639,381.87/1,645,640.46
  6. Step 6: Final answer
    x = 1,321,595.26

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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.