Home / 1,318,798.08-1,977,920.33-371,947.37

Finding the Fourth Proportional to 1,318,798.08, 1,977,920.33 and 371,947.37

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Solution

The fourth proportional to 1,318,798.08, 1,977,920.33 and 371,947.37 is: 557,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,798.08 : 1,977,920.33 = 371,947.37 : x
  2. Step 2: Convert to fraction form
    1,318,798.08/1,977,920.33 = 371,947.37/x
  3. Step 3: Cross multiply
    1,318,798.08x = 1,977,920.33 × 371,947.37
  4. Step 4: Simplify right side
    1,318,798.08x = 735,682,253,063.69
  5. Step 5: Solve for x
    x = 735,682,253,063.69/1,318,798.08
  6. Step 6: Final answer
    x = 557,842.98

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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.