Home / 1,114,677.25-1,538,349.47-631,328.38

Finding the Fourth Proportional to 1,114,677.25, 1,538,349.47 and 631,328.38

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Solution

The fourth proportional to 1,114,677.25, 1,538,349.47 and 631,328.38 is: 871,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,677.25 : 1,538,349.47 = 631,328.38 : x
  2. Step 2: Convert to fraction form
    1,114,677.25/1,538,349.47 = 631,328.38/x
  3. Step 3: Cross multiply
    1,114,677.25x = 1,538,349.47 × 631,328.38
  4. Step 4: Simplify right side
    1,114,677.25x = 971,203,667,920.57
  5. Step 5: Solve for x
    x = 971,203,667,920.57/1,114,677.25
  6. Step 6: Final answer
    x = 871,286.89

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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.