Home / 1,370,418.93-1,891,116.77-758,594.61

Finding the Fourth Proportional to 1,370,418.93, 1,891,116.77 and 758,594.61

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Solution

The fourth proportional to 1,370,418.93, 1,891,116.77 and 758,594.61 is: 1,046,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,418.93 : 1,891,116.77 = 758,594.61 : x
  2. Step 2: Convert to fraction form
    1,370,418.93/1,891,116.77 = 758,594.61/x
  3. Step 3: Cross multiply
    1,370,418.93x = 1,891,116.77 × 758,594.61
  4. Step 4: Simplify right side
    1,370,418.93x = 1,434,590,979,147.03
  5. Step 5: Solve for x
    x = 1,434,590,979,147.03/1,370,418.93
  6. Step 6: Final answer
    x = 1,046,826.60

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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.