Home / 1,643,707.95-2,268,310.37-918,555.47

Finding the Fourth Proportional to 1,643,707.95, 2,268,310.37 and 918,555.47

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Solution

The fourth proportional to 1,643,707.95, 2,268,310.37 and 918,555.47 is: 1,267,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,707.95 : 2,268,310.37 = 918,555.47 : x
  2. Step 2: Convert to fraction form
    1,643,707.95/2,268,310.37 = 918,555.47/x
  3. Step 3: Cross multiply
    1,643,707.95x = 2,268,310.37 × 918,555.47
  4. Step 4: Simplify right side
    1,643,707.95x = 2,083,568,898,021.22
  5. Step 5: Solve for x
    x = 2,083,568,898,021.22/1,643,707.95
  6. Step 6: Final answer
    x = 1,267,602.86

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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.