Home / 1,095,385.60-1,640,313.60-719,372.80

Finding the Fourth Proportional to 1,095,385.60, 1,640,313.60 and 719,372.80

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Solution

The fourth proportional to 1,095,385.60, 1,640,313.60 and 719,372.80 is: 1,077,243.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,385.60 : 1,640,313.60 = 719,372.80 : x
  2. Step 2: Convert to fraction form
    1,095,385.60/1,640,313.60 = 719,372.80/x
  3. Step 3: Cross multiply
    1,095,385.60x = 1,640,313.60 × 719,372.80
  4. Step 4: Simplify right side
    1,095,385.60x = 1,179,996,987,310.08
  5. Step 5: Solve for x
    x = 1,179,996,987,310.08/1,095,385.60
  6. Step 6: Final answer
    x = 1,077,243.47

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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.