Home / 1,407,492.07-1,942,343.21-762,914.82

Finding the Fourth Proportional to 1,407,492.07, 1,942,343.21 and 762,914.82

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Solution

The fourth proportional to 1,407,492.07, 1,942,343.21 and 762,914.82 is: 1,052,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,492.07 : 1,942,343.21 = 762,914.82 : x
  2. Step 2: Convert to fraction form
    1,407,492.07/1,942,343.21 = 762,914.82/x
  3. Step 3: Cross multiply
    1,407,492.07x = 1,942,343.21 × 762,914.82
  4. Step 4: Simplify right side
    1,407,492.07x = 1,481,842,420,435.37
  5. Step 5: Solve for x
    x = 1,481,842,420,435.37/1,407,492.07
  6. Step 6: Final answer
    x = 1,052,824.70

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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.