Home / 1,115,029.94-1,538,692.02-631,585.37

Finding the Fourth Proportional to 1,115,029.94, 1,538,692.02 and 631,585.37

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Solution

The fourth proportional to 1,115,029.94, 1,538,692.02 and 631,585.37 is: 871,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,029.94 : 1,538,692.02 = 631,585.37 : x
  2. Step 2: Convert to fraction form
    1,115,029.94/1,538,692.02 = 631,585.37/x
  3. Step 3: Cross multiply
    1,115,029.94x = 1,538,692.02 × 631,585.37
  4. Step 4: Simplify right side
    1,115,029.94x = 971,815,372,614.48
  5. Step 5: Solve for x
    x = 971,815,372,614.48/1,115,029.94
  6. Step 6: Final answer
    x = 871,559.89

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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.