Home / 1,170,166.20-1,755,249.30-459,828.60

Finding the Fourth Proportional to 1,170,166.20, 1,755,249.30 and 459,828.60

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Solution

The fourth proportional to 1,170,166.20, 1,755,249.30 and 459,828.60 is: 689,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,166.20 : 1,755,249.30 = 459,828.60 : x
  2. Step 2: Convert to fraction form
    1,170,166.20/1,755,249.30 = 459,828.60/x
  3. Step 3: Cross multiply
    1,170,166.20x = 1,755,249.30 × 459,828.60
  4. Step 4: Simplify right side
    1,170,166.20x = 807,113,828,269.98
  5. Step 5: Solve for x
    x = 807,113,828,269.98/1,170,166.20
  6. Step 6: Final answer
    x = 689,742.90

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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.