Home / 1,382,803.72-2,074,450.87-423,238.10

Finding the Fourth Proportional to 1,382,803.72, 2,074,450.87 and 423,238.10

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Solution

The fourth proportional to 1,382,803.72, 2,074,450.87 and 423,238.10 is: 634,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,803.72 : 2,074,450.87 = 423,238.10 : x
  2. Step 2: Convert to fraction form
    1,382,803.72/2,074,450.87 = 423,238.10/x
  3. Step 3: Cross multiply
    1,382,803.72x = 2,074,450.87 × 423,238.10
  4. Step 4: Simplify right side
    1,382,803.72x = 877,986,634,918.94
  5. Step 5: Solve for x
    x = 877,986,634,918.94/1,382,803.72
  6. Step 6: Final answer
    x = 634,932.22

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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.