Home / 1,855,021.76-2,559,924.32-1,028,148.05

Finding the Fourth Proportional to 1,855,021.76, 2,559,924.32 and 1,028,148.05

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Solution

The fourth proportional to 1,855,021.76, 2,559,924.32 and 1,028,148.05 is: 1,418,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,021.76 : 2,559,924.32 = 1,028,148.05 : x
  2. Step 2: Convert to fraction form
    1,855,021.76/2,559,924.32 = 1,028,148.05/x
  3. Step 3: Cross multiply
    1,855,021.76x = 2,559,924.32 × 1,028,148.05
  4. Step 4: Simplify right side
    1,855,021.76x = 2,631,981,179,815.21
  5. Step 5: Solve for x
    x = 2,631,981,179,815.21/1,855,021.76
  6. Step 6: Final answer
    x = 1,418,841.14

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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.