Home / 1,045,888.58-1,561,789.85-854,143.39

Finding the Fourth Proportional to 1,045,888.58, 1,561,789.85 and 854,143.39

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Solution

The fourth proportional to 1,045,888.58, 1,561,789.85 and 854,143.39 is: 1,275,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,888.58 : 1,561,789.85 = 854,143.39 : x
  2. Step 2: Convert to fraction form
    1,045,888.58/1,561,789.85 = 854,143.39/x
  3. Step 3: Cross multiply
    1,045,888.58x = 1,561,789.85 × 854,143.39
  4. Step 4: Simplify right side
    1,045,888.58x = 1,333,992,473,564.27
  5. Step 5: Solve for x
    x = 1,333,992,473,564.27/1,045,888.58
  6. Step 6: Final answer
    x = 1,275,463.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.