Home / 1,160,755.80-1,738,509.30-688,363.80

Finding the Fourth Proportional to 1,160,755.80, 1,738,509.30 and 688,363.80

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Solution

The fourth proportional to 1,160,755.80, 1,738,509.30 and 688,363.80 is: 1,030,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,755.80 : 1,738,509.30 = 688,363.80 : x
  2. Step 2: Convert to fraction form
    1,160,755.80/1,738,509.30 = 688,363.80/x
  3. Step 3: Cross multiply
    1,160,755.80x = 1,738,509.30 × 688,363.80
  4. Step 4: Simplify right side
    1,160,755.80x = 1,196,726,868,083.34
  5. Step 5: Solve for x
    x = 1,196,726,868,083.34/1,160,755.80
  6. Step 6: Final answer
    x = 1,030,989.35

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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.