Home / 1,021,788.70-1,529,942.09-571,226.37

Finding the Fourth Proportional to 1,021,788.70, 1,529,942.09 and 571,226.37

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Solution

The fourth proportional to 1,021,788.70, 1,529,942.09 and 571,226.37 is: 855,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,788.70 : 1,529,942.09 = 571,226.37 : x
  2. Step 2: Convert to fraction form
    1,021,788.70/1,529,942.09 = 571,226.37/x
  3. Step 3: Cross multiply
    1,021,788.70x = 1,529,942.09 × 571,226.37
  4. Step 4: Simplify right side
    1,021,788.70x = 873,943,266,380.91
  5. Step 5: Solve for x
    x = 873,943,266,380.91/1,021,788.70
  6. Step 6: Final answer
    x = 855,307.23

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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.