Home / 1,308,296.70-1,806,164.19-792,138.78

Finding the Fourth Proportional to 1,308,296.70, 1,806,164.19 and 792,138.78

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Solution

The fourth proportional to 1,308,296.70, 1,806,164.19 and 792,138.78 is: 1,093,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,296.70 : 1,806,164.19 = 792,138.78 : x
  2. Step 2: Convert to fraction form
    1,308,296.70/1,806,164.19 = 792,138.78/x
  3. Step 3: Cross multiply
    1,308,296.70x = 1,806,164.19 × 792,138.78
  4. Step 4: Simplify right side
    1,308,296.70x = 1,430,732,697,946.29
  5. Step 5: Solve for x
    x = 1,430,732,697,946.29/1,308,296.70
  6. Step 6: Final answer
    x = 1,093,584.27

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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.