Home / 860,185.40-1,288,722.90-735,769.40

Finding the Fourth Proportional to 860,185.40, 1,288,722.90 and 735,769.40

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Solution

The fourth proportional to 860,185.40, 1,288,722.90 and 735,769.40 is: 1,102,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,185.40 : 1,288,722.90 = 735,769.40 : x
  2. Step 2: Convert to fraction form
    860,185.40/1,288,722.90 = 735,769.40/x
  3. Step 3: Cross multiply
    860,185.40x = 1,288,722.90 × 735,769.40
  4. Step 4: Simplify right side
    860,185.40x = 948,202,874,899.26
  5. Step 5: Solve for x
    x = 948,202,874,899.26/860,185.40
  6. Step 6: Final answer
    x = 1,102,323.84

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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.