Home / 1,222,217.07-1,686,969.60-835,189.14

Finding the Fourth Proportional to 1,222,217.07, 1,686,969.60 and 835,189.14

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Solution

The fourth proportional to 1,222,217.07, 1,686,969.60 and 835,189.14 is: 1,152,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,217.07 : 1,686,969.60 = 835,189.14 : x
  2. Step 2: Convert to fraction form
    1,222,217.07/1,686,969.60 = 835,189.14/x
  3. Step 3: Cross multiply
    1,222,217.07x = 1,686,969.60 × 835,189.14
  4. Step 4: Simplify right side
    1,222,217.07x = 1,408,938,689,430.14
  5. Step 5: Solve for x
    x = 1,408,938,689,430.14/1,222,217.07
  6. Step 6: Final answer
    x = 1,152,772.88

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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.