Home / 1,311,063.49-1,968,435.15-671,826.54

Finding the Fourth Proportional to 1,311,063.49, 1,968,435.15 and 671,826.54

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Solution

The fourth proportional to 1,311,063.49, 1,968,435.15 and 671,826.54 is: 1,008,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,063.49 : 1,968,435.15 = 671,826.54 : x
  2. Step 2: Convert to fraction form
    1,311,063.49/1,968,435.15 = 671,826.54/x
  3. Step 3: Cross multiply
    1,311,063.49x = 1,968,435.15 × 671,826.54
  4. Step 4: Simplify right side
    1,311,063.49x = 1,322,446,976,038.88
  5. Step 5: Solve for x
    x = 1,322,446,976,038.88/1,311,063.49
  6. Step 6: Final answer
    x = 1,008,682.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.