Home / 1,114,719.58-1,538,261.61-631,288.25

Finding the Fourth Proportional to 1,114,719.58, 1,538,261.61 and 631,288.25

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Solution

The fourth proportional to 1,114,719.58, 1,538,261.61 and 631,288.25 is: 871,148.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,719.58 : 1,538,261.61 = 631,288.25 : x
  2. Step 2: Convert to fraction form
    1,114,719.58/1,538,261.61 = 631,288.25/x
  3. Step 3: Cross multiply
    1,114,719.58x = 1,538,261.61 × 631,288.25
  4. Step 4: Simplify right side
    1,114,719.58x = 971,086,475,528.93
  5. Step 5: Solve for x
    x = 971,086,475,528.93/1,114,719.58
  6. Step 6: Final answer
    x = 871,148.67

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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.