Home / 1,725,120.14-2,381,071.48-1,072,239.24

Finding the Fourth Proportional to 1,725,120.14, 2,381,071.48 and 1,072,239.24

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Solution

The fourth proportional to 1,725,120.14, 2,381,071.48 and 1,072,239.24 is: 1,479,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,120.14 : 2,381,071.48 = 1,072,239.24 : x
  2. Step 2: Convert to fraction form
    1,725,120.14/2,381,071.48 = 1,072,239.24/x
  3. Step 3: Cross multiply
    1,725,120.14x = 2,381,071.48 × 1,072,239.24
  4. Step 4: Simplify right side
    1,725,120.14x = 2,553,078,271,420.28
  5. Step 5: Solve for x
    x = 2,553,078,271,420.28/1,725,120.14
  6. Step 6: Final answer
    x = 1,479,942.30

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Double scale
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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.