Home / 1,260,743.67-1,739,818.19-716,879.60

Finding the Fourth Proportional to 1,260,743.67, 1,739,818.19 and 716,879.60

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Solution

The fourth proportional to 1,260,743.67, 1,739,818.19 and 716,879.60 is: 989,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,743.67 : 1,739,818.19 = 716,879.60 : x
  2. Step 2: Convert to fraction form
    1,260,743.67/1,739,818.19 = 716,879.60/x
  3. Step 3: Cross multiply
    1,260,743.67x = 1,739,818.19 × 716,879.60
  4. Step 4: Simplify right side
    1,260,743.67x = 1,247,240,155,836.44
  5. Step 5: Solve for x
    x = 1,247,240,155,836.44/1,260,743.67
  6. Step 6: Final answer
    x = 989,289.25

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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.