Home / 1,339,700.54-1,848,807.72-727,865.42

Finding the Fourth Proportional to 1,339,700.54, 1,848,807.72 and 727,865.42

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Solution

The fourth proportional to 1,339,700.54, 1,848,807.72 and 727,865.42 is: 1,004,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,700.54 : 1,848,807.72 = 727,865.42 : x
  2. Step 2: Convert to fraction form
    1,339,700.54/1,848,807.72 = 727,865.42/x
  3. Step 3: Cross multiply
    1,339,700.54x = 1,848,807.72 × 727,865.42
  4. Step 4: Simplify right side
    1,339,700.54x = 1,345,683,198,373.00
  5. Step 5: Solve for x
    x = 1,345,683,198,373.00/1,339,700.54
  6. Step 6: Final answer
    x = 1,004,465.67

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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.