Home / 1,787,028.51-2,466,115.73-971,234.37

Finding the Fourth Proportional to 1,787,028.51, 2,466,115.73 and 971,234.37

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Solution

The fourth proportional to 1,787,028.51, 2,466,115.73 and 971,234.37 is: 1,340,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,028.51 : 2,466,115.73 = 971,234.37 : x
  2. Step 2: Convert to fraction form
    1,787,028.51/2,466,115.73 = 971,234.37/x
  3. Step 3: Cross multiply
    1,787,028.51x = 2,466,115.73 × 971,234.37
  4. Step 4: Simplify right side
    1,787,028.51x = 2,395,176,352,517.47
  5. Step 5: Solve for x
    x = 2,395,176,352,517.47/1,787,028.51
  6. Step 6: Final answer
    x = 1,340,312.33

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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.