Home / 1,114,676.88-1,538,348.96-631,328.01

Finding the Fourth Proportional to 1,114,676.88, 1,538,348.96 and 631,328.01

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Solution

The fourth proportional to 1,114,676.88, 1,538,348.96 and 631,328.01 is: 871,286.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,676.88 : 1,538,348.96 = 631,328.01 : x
  2. Step 2: Convert to fraction form
    1,114,676.88/1,538,348.96 = 631,328.01/x
  3. Step 3: Cross multiply
    1,114,676.88x = 1,538,348.96 × 631,328.01
  4. Step 4: Simplify right side
    1,114,676.88x = 971,202,787,602.37
  5. Step 5: Solve for x
    x = 971,202,787,602.37/1,114,676.88
  6. Step 6: Final answer
    x = 871,286.38

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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.