Home / 767,735.70-1,151,603.55-746,999.70

Finding the Fourth Proportional to 767,735.70, 1,151,603.55 and 746,999.70

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Solution

The fourth proportional to 767,735.70, 1,151,603.55 and 746,999.70 is: 1,120,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,735.70 : 1,151,603.55 = 746,999.70 : x
  2. Step 2: Convert to fraction form
    767,735.70/1,151,603.55 = 746,999.70/x
  3. Step 3: Cross multiply
    767,735.70x = 1,151,603.55 × 746,999.70
  4. Step 4: Simplify right side
    767,735.70x = 860,247,506,368.94
  5. Step 5: Solve for x
    x = 860,247,506,368.94/767,735.70
  6. Step 6: Final answer
    x = 1,120,499.55

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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.