Home / 860,741.40-1,289,556.90-736,325.40

Finding the Fourth Proportional to 860,741.40, 1,289,556.90 and 736,325.40

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Solution

The fourth proportional to 860,741.40, 1,289,556.90 and 736,325.40 is: 1,103,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,741.40 : 1,289,556.90 = 736,325.40 : x
  2. Step 2: Convert to fraction form
    860,741.40/1,289,556.90 = 736,325.40/x
  3. Step 3: Cross multiply
    860,741.40x = 1,289,556.90 × 736,325.40
  4. Step 4: Simplify right side
    860,741.40x = 949,533,500,215.26
  5. Step 5: Solve for x
    x = 949,533,500,215.26/860,741.40
  6. Step 6: Final answer
    x = 1,103,157.70

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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.