Home / 1,354,376.75-1,869,055.11-773,676.77

Finding the Fourth Proportional to 1,354,376.75, 1,869,055.11 and 773,676.77

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Solution

The fourth proportional to 1,354,376.75, 1,869,055.11 and 773,676.77 is: 1,067,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,376.75 : 1,869,055.11 = 773,676.77 : x
  2. Step 2: Convert to fraction form
    1,354,376.75/1,869,055.11 = 773,676.77/x
  3. Step 3: Cross multiply
    1,354,376.75x = 1,869,055.11 × 773,676.77
  4. Step 4: Simplify right side
    1,354,376.75x = 1,446,044,511,111.52
  5. Step 5: Solve for x
    x = 1,446,044,511,111.52/1,354,376.75
  6. Step 6: Final answer
    x = 1,067,682.62

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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.