Home / 1,725,376.28-2,381,028.72-1,000,653.69

Finding the Fourth Proportional to 1,725,376.28, 2,381,028.72 and 1,000,653.69

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Solution

The fourth proportional to 1,725,376.28, 2,381,028.72 and 1,000,653.69 is: 1,380,907.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,376.28 : 2,381,028.72 = 1,000,653.69 : x
  2. Step 2: Convert to fraction form
    1,725,376.28/2,381,028.72 = 1,000,653.69/x
  3. Step 3: Cross multiply
    1,725,376.28x = 2,381,028.72 × 1,000,653.69
  4. Step 4: Simplify right side
    1,725,376.28x = 2,382,585,174,663.98
  5. Step 5: Solve for x
    x = 2,382,585,174,663.98/1,725,376.28
  6. Step 6: Final answer
    x = 1,380,907.58

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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.