Home / 1,407,313.76-1,942,085.31-762,727.10

Finding the Fourth Proportional to 1,407,313.76, 1,942,085.31 and 762,727.10

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Solution

The fourth proportional to 1,407,313.76, 1,942,085.31 and 762,727.10 is: 1,052,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,313.76 : 1,942,085.31 = 762,727.10 : x
  2. Step 2: Convert to fraction form
    1,407,313.76/1,942,085.31 = 762,727.10/x
  3. Step 3: Cross multiply
    1,407,313.76x = 1,942,085.31 × 762,727.10
  4. Step 4: Simplify right side
    1,407,313.76x = 1,481,281,096,448.90
  5. Step 5: Solve for x
    x = 1,481,281,096,448.90/1,407,313.76
  6. Step 6: Final answer
    x = 1,052,559.24

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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.