Home / 1,904,554.92-2,628,278.36-1,045,129.54

Finding the Fourth Proportional to 1,904,554.92, 2,628,278.36 and 1,045,129.54

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Solution

The fourth proportional to 1,904,554.92, 2,628,278.36 and 1,045,129.54 is: 1,442,274.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,554.92 : 2,628,278.36 = 1,045,129.54 : x
  2. Step 2: Convert to fraction form
    1,904,554.92/2,628,278.36 = 1,045,129.54/x
  3. Step 3: Cross multiply
    1,904,554.92x = 2,628,278.36 × 1,045,129.54
  4. Step 4: Simplify right side
    1,904,554.92x = 2,746,891,353,378.75
  5. Step 5: Solve for x
    x = 2,746,891,353,378.75/1,904,554.92
  6. Step 6: Final answer
    x = 1,442,274.69

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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.