Home / 1,153,018.10-1,591,311.76-669,486.98

Finding the Fourth Proportional to 1,153,018.10, 1,591,311.76 and 669,486.98

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Solution

The fourth proportional to 1,153,018.10, 1,591,311.76 and 669,486.98 is: 923,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,018.10 : 1,591,311.76 = 669,486.98 : x
  2. Step 2: Convert to fraction form
    1,153,018.10/1,591,311.76 = 669,486.98/x
  3. Step 3: Cross multiply
    1,153,018.10x = 1,591,311.76 × 669,486.98
  4. Step 4: Simplify right side
    1,153,018.10x = 1,065,362,504,440.88
  5. Step 5: Solve for x
    x = 1,065,362,504,440.88/1,153,018.10
  6. Step 6: Final answer
    x = 923,977.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.