Home / 1,045,627.80-1,568,441.70-779,907.30

Finding the Fourth Proportional to 1,045,627.80, 1,568,441.70 and 779,907.30

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Solution

The fourth proportional to 1,045,627.80, 1,568,441.70 and 779,907.30 is: 1,169,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,627.80 : 1,568,441.70 = 779,907.30 : x
  2. Step 2: Convert to fraction form
    1,045,627.80/1,568,441.70 = 779,907.30/x
  3. Step 3: Cross multiply
    1,045,627.80x = 1,568,441.70 × 779,907.30
  4. Step 4: Simplify right side
    1,045,627.80x = 1,223,239,131,454.41
  5. Step 5: Solve for x
    x = 1,223,239,131,454.41/1,045,627.80
  6. Step 6: Final answer
    x = 1,169,860.95

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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.