Home / 1,412,934.60-2,118,745.80-613,804.80

Finding the Fourth Proportional to 1,412,934.60, 2,118,745.80 and 613,804.80

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Solution

The fourth proportional to 1,412,934.60, 2,118,745.80 and 613,804.80 is: 920,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,934.60 : 2,118,745.80 = 613,804.80 : x
  2. Step 2: Convert to fraction form
    1,412,934.60/2,118,745.80 = 613,804.80/x
  3. Step 3: Cross multiply
    1,412,934.60x = 2,118,745.80 × 613,804.80
  4. Step 4: Simplify right side
    1,412,934.60x = 1,300,496,342,019.84
  5. Step 5: Solve for x
    x = 1,300,496,342,019.84/1,412,934.60
  6. Step 6: Final answer
    x = 920,422.18

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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.