Home / 1,170,048.90-1,755,656.55-664,997.70

Finding the Fourth Proportional to 1,170,048.90, 1,755,656.55 and 664,997.70

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Solution

The fourth proportional to 1,170,048.90, 1,755,656.55 and 664,997.70 is: 997,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,048.90 : 1,755,656.55 = 664,997.70 : x
  2. Step 2: Convert to fraction form
    1,170,048.90/1,755,656.55 = 664,997.70/x
  3. Step 3: Cross multiply
    1,170,048.90x = 1,755,656.55 × 664,997.70
  4. Step 4: Simplify right side
    1,170,048.90x = 1,167,507,567,739.94
  5. Step 5: Solve for x
    x = 1,167,507,567,739.94/1,170,048.90
  6. Step 6: Final answer
    x = 997,828.01

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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.