Home / 1,114,723.81-1,538,267.38-631,292.42

Finding the Fourth Proportional to 1,114,723.81, 1,538,267.38 and 631,292.42

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Solution

The fourth proportional to 1,114,723.81, 1,538,267.38 and 631,292.42 is: 871,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,723.81 : 1,538,267.38 = 631,292.42 : x
  2. Step 2: Convert to fraction form
    1,114,723.81/1,538,267.38 = 631,292.42/x
  3. Step 3: Cross multiply
    1,114,723.81x = 1,538,267.38 × 631,292.42
  4. Step 4: Simplify right side
    1,114,723.81x = 971,096,535,793.54
  5. Step 5: Solve for x
    x = 971,096,535,793.54/1,114,723.81
  6. Step 6: Final answer
    x = 871,154.38

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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.