Home / 1,370,845.41-2,056,344.65-424,142.31

Finding the Fourth Proportional to 1,370,845.41, 2,056,344.65 and 424,142.31

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Solution

The fourth proportional to 1,370,845.41, 2,056,344.65 and 424,142.31 is: 636,237.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,845.41 : 2,056,344.65 = 424,142.31 : x
  2. Step 2: Convert to fraction form
    1,370,845.41/2,056,344.65 = 424,142.31/x
  3. Step 3: Cross multiply
    1,370,845.41x = 2,056,344.65 × 424,142.31
  4. Step 4: Simplify right side
    1,370,845.41x = 872,182,770,007.14
  5. Step 5: Solve for x
    x = 872,182,770,007.14/1,370,845.41
  6. Step 6: Final answer
    x = 636,237.15

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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.