Home / 1,188,150.84-1,779,644.64-731,349.72

Finding the Fourth Proportional to 1,188,150.84, 1,779,644.64 and 731,349.72

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Solution

The fourth proportional to 1,188,150.84, 1,779,644.64 and 731,349.72 is: 1,095,435.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,150.84 : 1,779,644.64 = 731,349.72 : x
  2. Step 2: Convert to fraction form
    1,188,150.84/1,779,644.64 = 731,349.72/x
  3. Step 3: Cross multiply
    1,188,150.84x = 1,779,644.64 × 731,349.72
  4. Step 4: Simplify right side
    1,188,150.84x = 1,301,542,609,163.50
  5. Step 5: Solve for x
    x = 1,301,542,609,163.50/1,188,150.84
  6. Step 6: Final answer
    x = 1,095,435.50

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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.