Home / 860,749.40-1,289,568.90-736,333.40

Finding the Fourth Proportional to 860,749.40, 1,289,568.90 and 736,333.40

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Solution

The fourth proportional to 860,749.40, 1,289,568.90 and 736,333.40 is: 1,103,169.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,749.40 : 1,289,568.90 = 736,333.40 : x
  2. Step 2: Convert to fraction form
    860,749.40/1,289,568.90 = 736,333.40/x
  3. Step 3: Cross multiply
    860,749.40x = 1,289,568.90 × 736,333.40
  4. Step 4: Simplify right side
    860,749.40x = 949,552,652,671.26
  5. Step 5: Solve for x
    x = 949,552,652,671.26/860,749.40
  6. Step 6: Final answer
    x = 1,103,169.69

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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.