Home / 1,760,415.80-2,640,311.54-800,646.60

Finding the Fourth Proportional to 1,760,415.80, 2,640,311.54 and 800,646.60

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Solution

The fourth proportional to 1,760,415.80, 2,640,311.54 and 800,646.60 is: 1,200,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,415.80 : 2,640,311.54 = 800,646.60 : x
  2. Step 2: Convert to fraction form
    1,760,415.80/2,640,311.54 = 800,646.60/x
  3. Step 3: Cross multiply
    1,760,415.80x = 2,640,311.54 × 800,646.60
  4. Step 4: Simplify right side
    1,760,415.80x = 2,113,956,457,441.76
  5. Step 5: Solve for x
    x = 2,113,956,457,441.76/1,760,415.80
  6. Step 6: Final answer
    x = 1,200,827.93

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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.