Home / 1,792,615.40-2,688,404.70-655,245.80

Finding the Fourth Proportional to 1,792,615.40, 2,688,404.70 and 655,245.80

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Solution

The fourth proportional to 1,792,615.40, 2,688,404.70 and 655,245.80 is: 982,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,615.40 : 2,688,404.70 = 655,245.80 : x
  2. Step 2: Convert to fraction form
    1,792,615.40/2,688,404.70 = 655,245.80/x
  3. Step 3: Cross multiply
    1,792,615.40x = 2,688,404.70 × 655,245.80
  4. Step 4: Simplify right side
    1,792,615.40x = 1,761,565,888,375.26
  5. Step 5: Solve for x
    x = 1,761,565,888,375.26/1,792,615.40
  6. Step 6: Final answer
    x = 982,679.21

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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.