Home / 1,407,222.14-1,941,973.45-762,642.29

Finding the Fourth Proportional to 1,407,222.14, 1,941,973.45 and 762,642.29

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Solution

The fourth proportional to 1,407,222.14, 1,941,973.45 and 762,642.29 is: 1,052,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,222.14 : 1,941,973.45 = 762,642.29 : x
  2. Step 2: Convert to fraction form
    1,407,222.14/1,941,973.45 = 762,642.29/x
  3. Step 3: Cross multiply
    1,407,222.14x = 1,941,973.45 × 762,642.29
  4. Step 4: Simplify right side
    1,407,222.14x = 1,481,031,081,975.53
  5. Step 5: Solve for x
    x = 1,481,031,081,975.53/1,407,222.14
  6. Step 6: Final answer
    x = 1,052,450.10

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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.