Home / 1,370,004.49-1,890,559.56-758,183.05

Finding the Fourth Proportional to 1,370,004.49, 1,890,559.56 and 758,183.05

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Solution

The fourth proportional to 1,370,004.49, 1,890,559.56 and 758,183.05 is: 1,046,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,004.49 : 1,890,559.56 = 758,183.05 : x
  2. Step 2: Convert to fraction form
    1,370,004.49/1,890,559.56 = 758,183.05/x
  3. Step 3: Cross multiply
    1,370,004.49x = 1,890,559.56 × 758,183.05
  4. Step 4: Simplify right side
    1,370,004.49x = 1,433,390,213,407.46
  5. Step 5: Solve for x
    x = 1,433,390,213,407.46/1,370,004.49
  6. Step 6: Final answer
    x = 1,046,266.80

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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.