Home / 1,339,705.79-1,848,814.97-727,870.67

Finding the Fourth Proportional to 1,339,705.79, 1,848,814.97 and 727,870.67

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Solution

The fourth proportional to 1,339,705.79, 1,848,814.97 and 727,870.67 is: 1,004,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,705.79 : 1,848,814.97 = 727,870.67 : x
  2. Step 2: Convert to fraction form
    1,339,705.79/1,848,814.97 = 727,870.67/x
  3. Step 3: Cross multiply
    1,339,705.79x = 1,848,814.97 × 727,870.67
  4. Step 4: Simplify right side
    1,339,705.79x = 1,345,698,178,036.50
  5. Step 5: Solve for x
    x = 1,345,698,178,036.50/1,339,705.79
  6. Step 6: Final answer
    x = 1,004,472.92

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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.