Home / 1,787,087.31-2,466,199.41-971,291.05

Finding the Fourth Proportional to 1,787,087.31, 2,466,199.41 and 971,291.05

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Solution

The fourth proportional to 1,787,087.31, 2,466,199.41 and 971,291.05 is: 1,340,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,087.31 : 2,466,199.41 = 971,291.05 : x
  2. Step 2: Convert to fraction form
    1,787,087.31/2,466,199.41 = 971,291.05/x
  3. Step 3: Cross multiply
    1,787,087.31x = 2,466,199.41 × 971,291.05
  4. Step 4: Simplify right side
    1,787,087.31x = 2,395,397,404,640.44
  5. Step 5: Solve for x
    x = 2,395,397,404,640.44/1,787,087.31
  6. Step 6: Final answer
    x = 1,340,391.93

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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.