Home / 1,298,661.94-1,792,150.59-725,702.16

Finding the Fourth Proportional to 1,298,661.94, 1,792,150.59 and 725,702.16

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Solution

The fourth proportional to 1,298,661.94, 1,792,150.59 and 725,702.16 is: 1,001,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,661.94 : 1,792,150.59 = 725,702.16 : x
  2. Step 2: Convert to fraction form
    1,298,661.94/1,792,150.59 = 725,702.16/x
  3. Step 3: Cross multiply
    1,298,661.94x = 1,792,150.59 × 725,702.16
  4. Step 4: Simplify right side
    1,298,661.94x = 1,300,567,554,208.27
  5. Step 5: Solve for x
    x = 1,300,567,554,208.27/1,298,661.94
  6. Step 6: Final answer
    x = 1,001,467.37

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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.