Home / 1,114,735.91-1,538,284.12-631,304.55

Finding the Fourth Proportional to 1,114,735.91, 1,538,284.12 and 631,304.55

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Solution

The fourth proportional to 1,114,735.91, 1,538,284.12 and 631,304.55 is: 871,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,735.91 : 1,538,284.12 = 631,304.55 : x
  2. Step 2: Convert to fraction form
    1,114,735.91/1,538,284.12 = 631,304.55/x
  3. Step 3: Cross multiply
    1,114,735.91x = 1,538,284.12 × 631,304.55
  4. Step 4: Simplify right side
    1,114,735.91x = 971,125,762,570.49
  5. Step 5: Solve for x
    x = 971,125,762,570.49/1,114,735.91
  6. Step 6: Final answer
    x = 871,171.15

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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.