Home / 1,265,725.38-1,746,687.72-684,935.80

Finding the Fourth Proportional to 1,265,725.38, 1,746,687.72 and 684,935.80

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Solution

The fourth proportional to 1,265,725.38, 1,746,687.72 and 684,935.80 is: 945,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,725.38 : 1,746,687.72 = 684,935.80 : x
  2. Step 2: Convert to fraction form
    1,265,725.38/1,746,687.72 = 684,935.80/x
  3. Step 3: Cross multiply
    1,265,725.38x = 1,746,687.72 × 684,935.80
  4. Step 4: Simplify right side
    1,265,725.38x = 1,196,368,950,848.38
  5. Step 5: Solve for x
    x = 1,196,368,950,848.38/1,265,725.38
  6. Step 6: Final answer
    x = 945,204.20

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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.