Home / 1,068,372.81-1,603,343.30-860,520.33

Finding the Fourth Proportional to 1,068,372.81, 1,603,343.30 and 860,520.33

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Solution

The fourth proportional to 1,068,372.81, 1,603,343.30 and 860,520.33 is: 1,291,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,372.81 : 1,603,343.30 = 860,520.33 : x
  2. Step 2: Convert to fraction form
    1,068,372.81/1,603,343.30 = 860,520.33/x
  3. Step 3: Cross multiply
    1,068,372.81x = 1,603,343.30 × 860,520.33
  4. Step 4: Simplify right side
    1,068,372.81x = 1,379,709,501,316.69
  5. Step 5: Solve for x
    x = 1,379,709,501,316.69/1,068,372.81
  6. Step 6: Final answer
    x = 1,291,412.03

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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.