Home / 1,076,985.52-1,486,493.29-669,395.19

Finding the Fourth Proportional to 1,076,985.52, 1,486,493.29 and 669,395.19

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Solution

The fourth proportional to 1,076,985.52, 1,486,493.29 and 669,395.19 is: 923,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,985.52 : 1,486,493.29 = 669,395.19 : x
  2. Step 2: Convert to fraction form
    1,076,985.52/1,486,493.29 = 669,395.19/x
  3. Step 3: Cross multiply
    1,076,985.52x = 1,486,493.29 × 669,395.19
  4. Step 4: Simplify right side
    1,076,985.52x = 995,051,452,577.50
  5. Step 5: Solve for x
    x = 995,051,452,577.50/1,076,985.52
  6. Step 6: Final answer
    x = 923,922.78

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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.