Home / 1,511,290-2,085,580.20-832,226.50

Finding the Fourth Proportional to 1,511,290, 2,085,580.20 and 832,226.50

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Solution

The fourth proportional to 1,511,290, 2,085,580.20 and 832,226.50 is: 1,148,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,290 : 2,085,580.20 = 832,226.50 : x
  2. Step 2: Convert to fraction form
    1,511,290/2,085,580.20 = 832,226.50/x
  3. Step 3: Cross multiply
    1,511,290x = 2,085,580.20 × 832,226.50
  4. Step 4: Simplify right side
    1,511,290x = 1,735,675,110,315.30
  5. Step 5: Solve for x
    x = 1,735,675,110,315.30/1,511,290
  6. Step 6: Final answer
    x = 1,148,472.57

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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.