Home / 1,147,986.84-1,584,182.08-631,692.45

Finding the Fourth Proportional to 1,147,986.84, 1,584,182.08 and 631,692.45

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Solution

The fourth proportional to 1,147,986.84, 1,584,182.08 and 631,692.45 is: 871,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,986.84 : 1,584,182.08 = 631,692.45 : x
  2. Step 2: Convert to fraction form
    1,147,986.84/1,584,182.08 = 631,692.45/x
  3. Step 3: Cross multiply
    1,147,986.84x = 1,584,182.08 × 631,692.45
  4. Step 4: Simplify right side
    1,147,986.84x = 1,000,715,859,361.30
  5. Step 5: Solve for x
    x = 1,000,715,859,361.30/1,147,986.84
  6. Step 6: Final answer
    x = 871,713.70

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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.