Home / 1,137,779.46-1,706,734.75-427,813.65

Finding the Fourth Proportional to 1,137,779.46, 1,706,734.75 and 427,813.65

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Solution

The fourth proportional to 1,137,779.46, 1,706,734.75 and 427,813.65 is: 641,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,779.46 : 1,706,734.75 = 427,813.65 : x
  2. Step 2: Convert to fraction form
    1,137,779.46/1,706,734.75 = 427,813.65/x
  3. Step 3: Cross multiply
    1,137,779.46x = 1,706,734.75 × 427,813.65
  4. Step 4: Simplify right side
    1,137,779.46x = 730,164,422,711.95
  5. Step 5: Solve for x
    x = 730,164,422,711.95/1,137,779.46
  6. Step 6: Final answer
    x = 641,745.13

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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.