Home / 1,403,578.05-2,102,256.68-1,087,008.45

Finding the Fourth Proportional to 1,403,578.05, 2,102,256.68 and 1,087,008.45

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Solution

The fourth proportional to 1,403,578.05, 2,102,256.68 and 1,087,008.45 is: 1,628,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,578.05 : 2,102,256.68 = 1,087,008.45 : x
  2. Step 2: Convert to fraction form
    1,403,578.05/2,102,256.68 = 1,087,008.45/x
  3. Step 3: Cross multiply
    1,403,578.05x = 2,102,256.68 × 1,087,008.45
  4. Step 4: Simplify right side
    1,403,578.05x = 2,285,170,769,793.90
  5. Step 5: Solve for x
    x = 2,285,170,769,793.90/1,403,578.05
  6. Step 6: Final answer
    x = 1,628,103.81

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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.