Home / 1,370,340.63-1,891,010.46-758,456.91

Finding the Fourth Proportional to 1,370,340.63, 1,891,010.46 and 758,456.91

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Solution

The fourth proportional to 1,370,340.63, 1,891,010.46 and 758,456.91 is: 1,046,637.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,340.63 : 1,891,010.46 = 758,456.91 : x
  2. Step 2: Convert to fraction form
    1,370,340.63/1,891,010.46 = 758,456.91/x
  3. Step 3: Cross multiply
    1,370,340.63x = 1,891,010.46 × 758,456.91
  4. Step 4: Simplify right side
    1,370,340.63x = 1,434,249,950,269.28
  5. Step 5: Solve for x
    x = 1,434,249,950,269.28/1,370,340.63
  6. Step 6: Final answer
    x = 1,046,637.54

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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.