Home / 1,378,011.96-2,059,112.88-1,051,995.87

Finding the Fourth Proportional to 1,378,011.96, 2,059,112.88 and 1,051,995.87

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Solution

The fourth proportional to 1,378,011.96, 2,059,112.88 and 1,051,995.87 is: 1,571,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,011.96 : 2,059,112.88 = 1,051,995.87 : x
  2. Step 2: Convert to fraction form
    1,378,011.96/2,059,112.88 = 1,051,995.87/x
  3. Step 3: Cross multiply
    1,378,011.96x = 2,059,112.88 × 1,051,995.87
  4. Step 4: Simplify right side
    1,378,011.96x = 2,166,178,245,623.81
  5. Step 5: Solve for x
    x = 2,166,178,245,623.81/1,378,011.96
  6. Step 6: Final answer
    x = 1,571,958.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.