Home / 1,511,289-2,085,578.82-832,225.50

Finding the Fourth Proportional to 1,511,289, 2,085,578.82 and 832,225.50

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Solution

The fourth proportional to 1,511,289, 2,085,578.82 and 832,225.50 is: 1,148,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,289 : 2,085,578.82 = 832,225.50 : x
  2. Step 2: Convert to fraction form
    1,511,289/2,085,578.82 = 832,225.50/x
  3. Step 3: Cross multiply
    1,511,289x = 2,085,578.82 × 832,225.50
  4. Step 4: Simplify right side
    1,511,289x = 1,735,671,876,263.91
  5. Step 5: Solve for x
    x = 1,735,671,876,263.91/1,511,289
  6. Step 6: Final answer
    x = 1,148,471.19

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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.