Home / 1,012,587.93-1,396,712.97-649,436.58

Finding the Fourth Proportional to 1,012,587.93, 1,396,712.97 and 649,436.58

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Solution

The fourth proportional to 1,012,587.93, 1,396,712.97 and 649,436.58 is: 895,800.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,587.93 : 1,396,712.97 = 649,436.58 : x
  2. Step 2: Convert to fraction form
    1,012,587.93/1,396,712.97 = 649,436.58/x
  3. Step 3: Cross multiply
    1,012,587.93x = 1,396,712.97 × 649,436.58
  4. Step 4: Simplify right side
    1,012,587.93x = 907,076,494,478.44
  5. Step 5: Solve for x
    x = 907,076,494,478.44/1,012,587.93
  6. Step 6: Final answer
    x = 895,800.22

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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.