Home / 1,165,676.76-1,747,477.80-455,543.28

Finding the Fourth Proportional to 1,165,676.76, 1,747,477.80 and 455,543.28

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Solution

The fourth proportional to 1,165,676.76, 1,747,477.80 and 455,543.28 is: 682,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,676.76 : 1,747,477.80 = 455,543.28 : x
  2. Step 2: Convert to fraction form
    1,165,676.76/1,747,477.80 = 455,543.28/x
  3. Step 3: Cross multiply
    1,165,676.76x = 1,747,477.80 × 455,543.28
  4. Step 4: Simplify right side
    1,165,676.76x = 796,051,768,739.18
  5. Step 5: Solve for x
    x = 796,051,768,739.18/1,165,676.76
  6. Step 6: Final answer
    x = 682,909.53

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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.