Home / 1,114,678.24-1,538,350.85-631,329.37

Finding the Fourth Proportional to 1,114,678.24, 1,538,350.85 and 631,329.37

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Solution

The fourth proportional to 1,114,678.24, 1,538,350.85 and 631,329.37 is: 871,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,678.24 : 1,538,350.85 = 631,329.37 : x
  2. Step 2: Convert to fraction form
    1,114,678.24/1,538,350.85 = 631,329.37/x
  3. Step 3: Cross multiply
    1,114,678.24x = 1,538,350.85 × 631,329.37
  4. Step 4: Simplify right side
    1,114,678.24x = 971,206,072,969.47
  5. Step 5: Solve for x
    x = 971,206,072,969.47/1,114,678.24
  6. Step 6: Final answer
    x = 871,288.27

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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.