Home / 1,725,228.17-2,380,824.31-1,000,505.57

Finding the Fourth Proportional to 1,725,228.17, 2,380,824.31 and 1,000,505.57

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Solution

The fourth proportional to 1,725,228.17, 2,380,824.31 and 1,000,505.57 is: 1,380,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,228.17 : 2,380,824.31 = 1,000,505.57 : x
  2. Step 2: Convert to fraction form
    1,725,228.17/2,380,824.31 = 1,000,505.57/x
  3. Step 3: Cross multiply
    1,725,228.17x = 2,380,824.31 × 1,000,505.57
  4. Step 4: Simplify right side
    1,725,228.17x = 2,382,027,983,346.41
  5. Step 5: Solve for x
    x = 2,382,027,983,346.41/1,725,228.17
  6. Step 6: Final answer
    x = 1,380,703.16

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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.