Home / 1,042,324.53-1,561,450.57-718,055.42

Finding the Fourth Proportional to 1,042,324.53, 1,561,450.57 and 718,055.42

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Solution

The fourth proportional to 1,042,324.53, 1,561,450.57 and 718,055.42 is: 1,075,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,324.53 : 1,561,450.57 = 718,055.42 : x
  2. Step 2: Convert to fraction form
    1,042,324.53/1,561,450.57 = 718,055.42/x
  3. Step 3: Cross multiply
    1,042,324.53x = 1,561,450.57 × 718,055.42
  4. Step 4: Simplify right side
    1,042,324.53x = 1,121,208,035,248.20
  5. Step 5: Solve for x
    x = 1,121,208,035,248.20/1,042,324.53
  6. Step 6: Final answer
    x = 1,075,680.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.