Home / 1,086,350.40-1,629,525.60-1,078,477.20

Finding the Fourth Proportional to 1,086,350.40, 1,629,525.60 and 1,078,477.20

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Solution

The fourth proportional to 1,086,350.40, 1,629,525.60 and 1,078,477.20 is: 1,617,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,350.40 : 1,629,525.60 = 1,078,477.20 : x
  2. Step 2: Convert to fraction form
    1,086,350.40/1,629,525.60 = 1,078,477.20/x
  3. Step 3: Cross multiply
    1,086,350.40x = 1,629,525.60 × 1,078,477.20
  4. Step 4: Simplify right side
    1,086,350.40x = 1,757,406,206,416.32
  5. Step 5: Solve for x
    x = 1,757,406,206,416.32/1,086,350.40
  6. Step 6: Final answer
    x = 1,617,715.80

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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.