Home / 1,435,336.57-1,978,039.02-1,026,728.76

Finding the Fourth Proportional to 1,435,336.57, 1,978,039.02 and 1,026,728.76

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Solution

The fourth proportional to 1,435,336.57, 1,978,039.02 and 1,026,728.76 is: 1,414,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,336.57 : 1,978,039.02 = 1,026,728.76 : x
  2. Step 2: Convert to fraction form
    1,435,336.57/1,978,039.02 = 1,026,728.76/x
  3. Step 3: Cross multiply
    1,435,336.57x = 1,978,039.02 × 1,026,728.76
  4. Step 4: Simplify right side
    1,435,336.57x = 2,030,909,550,236.22
  5. Step 5: Solve for x
    x = 2,030,909,550,236.22/1,435,336.57
  6. Step 6: Final answer
    x = 1,414,936.12

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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.