Home / 1,019,945.60-1,529,918.40-488,504.60

Finding the Fourth Proportional to 1,019,945.60, 1,529,918.40 and 488,504.60

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Solution

The fourth proportional to 1,019,945.60, 1,529,918.40 and 488,504.60 is: 732,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,945.60 : 1,529,918.40 = 488,504.60 : x
  2. Step 2: Convert to fraction form
    1,019,945.60/1,529,918.40 = 488,504.60/x
  3. Step 3: Cross multiply
    1,019,945.60x = 1,529,918.40 × 488,504.60
  4. Step 4: Simplify right side
    1,019,945.60x = 747,372,176,024.64
  5. Step 5: Solve for x
    x = 747,372,176,024.64/1,019,945.60
  6. Step 6: Final answer
    x = 732,756.90

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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.