Home / 1,129,629.03-1,559,539.98-857,220.41

Finding the Fourth Proportional to 1,129,629.03, 1,559,539.98 and 857,220.41

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Solution

The fourth proportional to 1,129,629.03, 1,559,539.98 and 857,220.41 is: 1,183,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,629.03 : 1,559,539.98 = 857,220.41 : x
  2. Step 2: Convert to fraction form
    1,129,629.03/1,559,539.98 = 857,220.41/x
  3. Step 3: Cross multiply
    1,129,629.03x = 1,559,539.98 × 857,220.41
  4. Step 4: Simplify right side
    1,129,629.03x = 1,336,869,493,269.29
  5. Step 5: Solve for x
    x = 1,336,869,493,269.29/1,129,629.03
  6. Step 6: Final answer
    x = 1,183,458.87

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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.