Home / 1,787,711.12-2,467,090.04-971,969.72

Finding the Fourth Proportional to 1,787,711.12, 2,467,090.04 and 971,969.72

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Solution

The fourth proportional to 1,787,711.12, 2,467,090.04 and 971,969.72 is: 1,341,344.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,711.12 : 2,467,090.04 = 971,969.72 : x
  2. Step 2: Convert to fraction form
    1,787,711.12/2,467,090.04 = 971,969.72/x
  3. Step 3: Cross multiply
    1,787,711.12x = 2,467,090.04 × 971,969.72
  4. Step 4: Simplify right side
    1,787,711.12x = 2,397,936,815,393.59
  5. Step 5: Solve for x
    x = 2,397,936,815,393.59/1,787,711.12
  6. Step 6: Final answer
    x = 1,341,344.69

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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.