Home / 1,293,370.38-1,784,765.68-776,817.33

Finding the Fourth Proportional to 1,293,370.38, 1,784,765.68 and 776,817.33

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Solution

The fourth proportional to 1,293,370.38, 1,784,765.68 and 776,817.33 is: 1,071,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,370.38 : 1,784,765.68 = 776,817.33 : x
  2. Step 2: Convert to fraction form
    1,293,370.38/1,784,765.68 = 776,817.33/x
  3. Step 3: Cross multiply
    1,293,370.38x = 1,784,765.68 × 776,817.33
  4. Step 4: Simplify right side
    1,293,370.38x = 1,386,436,905,947.92
  5. Step 5: Solve for x
    x = 1,386,436,905,947.92/1,293,370.38
  6. Step 6: Final answer
    x = 1,071,956.59

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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.