Home / 1,114,675.88-1,538,347.58-631,327.01

Finding the Fourth Proportional to 1,114,675.88, 1,538,347.58 and 631,327.01

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Solution

The fourth proportional to 1,114,675.88, 1,538,347.58 and 631,327.01 is: 871,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,675.88 : 1,538,347.58 = 631,327.01 : x
  2. Step 2: Convert to fraction form
    1,114,675.88/1,538,347.58 = 631,327.01/x
  3. Step 3: Cross multiply
    1,114,675.88x = 1,538,347.58 × 631,327.01
  4. Step 4: Simplify right side
    1,114,675.88x = 971,200,378,022.14
  5. Step 5: Solve for x
    x = 971,200,378,022.14/1,114,675.88
  6. Step 6: Final answer
    x = 871,285.00

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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.