Home / 1,603,145.75-2,212,341.14-877,995.20

Finding the Fourth Proportional to 1,603,145.75, 2,212,341.14 and 877,995.20

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Solution

The fourth proportional to 1,603,145.75, 2,212,341.14 and 877,995.20 is: 1,211,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,145.75 : 2,212,341.14 = 877,995.20 : x
  2. Step 2: Convert to fraction form
    1,603,145.75/2,212,341.14 = 877,995.20/x
  3. Step 3: Cross multiply
    1,603,145.75x = 2,212,341.14 × 877,995.20
  4. Step 4: Simplify right side
    1,603,145.75x = 1,942,424,895,061.92
  5. Step 5: Solve for x
    x = 1,942,424,895,061.92/1,603,145.75
  6. Step 6: Final answer
    x = 1,211,633.37

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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.