Home / 1,076,649.40-1,611,863.70-656,745.40

Finding the Fourth Proportional to 1,076,649.40, 1,611,863.70 and 656,745.40

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Solution

The fourth proportional to 1,076,649.40, 1,611,863.70 and 656,745.40 is: 983,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,649.40 : 1,611,863.70 = 656,745.40 : x
  2. Step 2: Convert to fraction form
    1,076,649.40/1,611,863.70 = 656,745.40/x
  3. Step 3: Cross multiply
    1,076,649.40x = 1,611,863.70 × 656,745.40
  4. Step 4: Simplify right side
    1,076,649.40x = 1,058,584,070,401.98
  5. Step 5: Solve for x
    x = 1,058,584,070,401.98/1,076,649.40
  6. Step 6: Final answer
    x = 983,220.79

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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.