Home / 990,014.22-1,482,509.41-829,668.51

Finding the Fourth Proportional to 990,014.22, 1,482,509.41 and 829,668.51

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Solution

The fourth proportional to 990,014.22, 1,482,509.41 and 829,668.51 is: 1,242,397.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,014.22 : 1,482,509.41 = 829,668.51 : x
  2. Step 2: Convert to fraction form
    990,014.22/1,482,509.41 = 829,668.51/x
  3. Step 3: Cross multiply
    990,014.22x = 1,482,509.41 × 829,668.51
  4. Step 4: Simplify right side
    990,014.22x = 1,229,991,373,255.68
  5. Step 5: Solve for x
    x = 1,229,991,373,255.68/990,014.22
  6. Step 6: Final answer
    x = 1,242,397.68

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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.