Home / 913,636.80-1,372,010.40-677,246.40

Finding the Fourth Proportional to 913,636.80, 1,372,010.40 and 677,246.40

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Solution

The fourth proportional to 913,636.80, 1,372,010.40 and 677,246.40 is: 1,017,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,636.80 : 1,372,010.40 = 677,246.40 : x
  2. Step 2: Convert to fraction form
    913,636.80/1,372,010.40 = 677,246.40/x
  3. Step 3: Cross multiply
    913,636.80x = 1,372,010.40 × 677,246.40
  4. Step 4: Simplify right side
    913,636.80x = 929,189,104,162.56
  5. Step 5: Solve for x
    x = 929,189,104,162.56/913,636.80
  6. Step 6: Final answer
    x = 1,017,022.41

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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.