Home / 1,054,190.31-1,579,629.63-814,890.57

Finding the Fourth Proportional to 1,054,190.31, 1,579,629.63 and 814,890.57

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Solution

The fourth proportional to 1,054,190.31, 1,579,629.63 and 814,890.57 is: 1,221,055.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,190.31 : 1,579,629.63 = 814,890.57 : x
  2. Step 2: Convert to fraction form
    1,054,190.31/1,579,629.63 = 814,890.57/x
  3. Step 3: Cross multiply
    1,054,190.31x = 1,579,629.63 × 814,890.57
  4. Step 4: Simplify right side
    1,054,190.31x = 1,287,225,289,579.59
  5. Step 5: Solve for x
    x = 1,287,225,289,579.59/1,054,190.31
  6. Step 6: Final answer
    x = 1,221,055.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.