Home / 1,724,399.76-2,379,672.36-999,667.65

Finding the Fourth Proportional to 1,724,399.76, 2,379,672.36 and 999,667.65

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Solution

The fourth proportional to 1,724,399.76, 2,379,672.36 and 999,667.65 is: 1,379,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,399.76 : 2,379,672.36 = 999,667.65 : x
  2. Step 2: Convert to fraction form
    1,724,399.76/2,379,672.36 = 999,667.65/x
  3. Step 3: Cross multiply
    1,724,399.76x = 2,379,672.36 × 999,667.65
  4. Step 4: Simplify right side
    1,724,399.76x = 2,378,881,475,891.15
  5. Step 5: Solve for x
    x = 2,378,881,475,891.15/1,724,399.76
  6. Step 6: Final answer
    x = 1,379,541.76

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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.