Home / 1,076,988.03-1,486,496.73-669,397.69

Finding the Fourth Proportional to 1,076,988.03, 1,486,496.73 and 669,397.69

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Solution

The fourth proportional to 1,076,988.03, 1,486,496.73 and 669,397.69 is: 923,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,988.03 : 1,486,496.73 = 669,397.69 : x
  2. Step 2: Convert to fraction form
    1,076,988.03/1,486,496.73 = 669,397.69/x
  3. Step 3: Cross multiply
    1,076,988.03x = 1,486,496.73 × 669,397.69
  4. Step 4: Simplify right side
    1,076,988.03x = 995,057,477,254.55
  5. Step 5: Solve for x
    x = 995,057,477,254.55/1,076,988.03
  6. Step 6: Final answer
    x = 923,926.22

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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.