Home / 1,158,174.45-1,739,254.58-1,108,351.86

Finding the Fourth Proportional to 1,158,174.45, 1,739,254.58 and 1,108,351.86

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Solution

The fourth proportional to 1,158,174.45, 1,739,254.58 and 1,108,351.86 is: 1,664,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,174.45 : 1,739,254.58 = 1,108,351.86 : x
  2. Step 2: Convert to fraction form
    1,158,174.45/1,739,254.58 = 1,108,351.86/x
  3. Step 3: Cross multiply
    1,158,174.45x = 1,739,254.58 × 1,108,351.86
  4. Step 4: Simplify right side
    1,158,174.45x = 1,927,706,040,848.87
  5. Step 5: Solve for x
    x = 1,927,706,040,848.87/1,158,174.45
  6. Step 6: Final answer
    x = 1,664,434.96

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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.