Home / 1,170,054.90-1,755,665.55-665,003.70

Finding the Fourth Proportional to 1,170,054.90, 1,755,665.55 and 665,003.70

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Solution

The fourth proportional to 1,170,054.90, 1,755,665.55 and 665,003.70 is: 997,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,054.90 : 1,755,665.55 = 665,003.70 : x
  2. Step 2: Convert to fraction form
    1,170,054.90/1,755,665.55 = 665,003.70/x
  3. Step 3: Cross multiply
    1,170,054.90x = 1,755,665.55 × 665,003.70
  4. Step 4: Simplify right side
    1,170,054.90x = 1,167,524,086,712.53
  5. Step 5: Solve for x
    x = 1,167,524,086,712.53/1,170,054.90
  6. Step 6: Final answer
    x = 997,837.01

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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.