Home / 1,076,987.03-1,486,495.35-669,396.69

Finding the Fourth Proportional to 1,076,987.03, 1,486,495.35 and 669,396.69

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Solution

The fourth proportional to 1,076,987.03, 1,486,495.35 and 669,396.69 is: 923,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,987.03 : 1,486,495.35 = 669,396.69 : x
  2. Step 2: Convert to fraction form
    1,076,987.03/1,486,495.35 = 669,396.69/x
  3. Step 3: Cross multiply
    1,076,987.03x = 1,486,495.35 × 669,396.69
  4. Step 4: Simplify right side
    1,076,987.03x = 995,055,066,990.39
  5. Step 5: Solve for x
    x = 995,055,066,990.39/1,076,987.03
  6. Step 6: Final answer
    x = 923,924.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.