Home / 1,268,790-1,750,768.37-724,961.01

Finding the Fourth Proportional to 1,268,790, 1,750,768.37 and 724,961.01

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Solution

The fourth proportional to 1,268,790, 1,750,768.37 and 724,961.01 is: 1,000,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,790 : 1,750,768.37 = 724,961.01 : x
  2. Step 2: Convert to fraction form
    1,268,790/1,750,768.37 = 724,961.01/x
  3. Step 3: Cross multiply
    1,268,790x = 1,750,768.37 × 724,961.01
  4. Step 4: Simplify right side
    1,268,790x = 1,269,238,802,166.45
  5. Step 5: Solve for x
    x = 1,269,238,802,166.45/1,268,790
  6. Step 6: Final answer
    x = 1,000,353.72

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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.