Home / 1,051,791.48-1,579,087.31-711,378.45

Finding the Fourth Proportional to 1,051,791.48, 1,579,087.31 and 711,378.45

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Solution

The fourth proportional to 1,051,791.48, 1,579,087.31 and 711,378.45 is: 1,068,014.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,791.48 : 1,579,087.31 = 711,378.45 : x
  2. Step 2: Convert to fraction form
    1,051,791.48/1,579,087.31 = 711,378.45/x
  3. Step 3: Cross multiply
    1,051,791.48x = 1,579,087.31 × 711,378.45
  4. Step 4: Simplify right side
    1,051,791.48x = 1,123,328,679,445.58
  5. Step 5: Solve for x
    x = 1,123,328,679,445.58/1,051,791.48
  6. Step 6: Final answer
    x = 1,068,014.62

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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.