Home / 1,076,968.08-1,486,286.16-618,231.24

Finding the Fourth Proportional to 1,076,968.08, 1,486,286.16 and 618,231.24

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Solution

The fourth proportional to 1,076,968.08, 1,486,286.16 and 618,231.24 is: 853,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,968.08 : 1,486,286.16 = 618,231.24 : x
  2. Step 2: Convert to fraction form
    1,076,968.08/1,486,286.16 = 618,231.24/x
  3. Step 3: Cross multiply
    1,076,968.08x = 1,486,286.16 × 618,231.24
  4. Step 4: Simplify right side
    1,076,968.08x = 918,868,535,691.64
  5. Step 5: Solve for x
    x = 918,868,535,691.64/1,076,968.08
  6. Step 6: Final answer
    x = 853,199.41

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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.