Home / 1,114,678.22-1,538,350.80-631,329.35

Finding the Fourth Proportional to 1,114,678.22, 1,538,350.80 and 631,329.35

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Solution

The fourth proportional to 1,114,678.22, 1,538,350.80 and 631,329.35 is: 871,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,678.22 : 1,538,350.80 = 631,329.35 : x
  2. Step 2: Convert to fraction form
    1,114,678.22/1,538,350.80 = 631,329.35/x
  3. Step 3: Cross multiply
    1,114,678.22x = 1,538,350.80 × 631,329.35
  4. Step 4: Simplify right side
    1,114,678.22x = 971,206,002,944.23
  5. Step 5: Solve for x
    x = 971,206,002,944.23/1,114,678.22
  6. Step 6: Final answer
    x = 871,288.22

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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.