Home / 1,788,125.80-2,467,578.50-972,322.60

Finding the Fourth Proportional to 1,788,125.80, 2,467,578.50 and 972,322.60

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Solution

The fourth proportional to 1,788,125.80, 2,467,578.50 and 972,322.60 is: 1,341,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,125.80 : 2,467,578.50 = 972,322.60 : x
  2. Step 2: Convert to fraction form
    1,788,125.80/2,467,578.50 = 972,322.60/x
  3. Step 3: Cross multiply
    1,788,125.80x = 2,467,578.50 × 972,322.60
  4. Step 4: Simplify right side
    1,788,125.80x = 2,399,282,342,824.10
  5. Step 5: Solve for x
    x = 2,399,282,342,824.10/1,788,125.80
  6. Step 6: Final answer
    x = 1,341,786.10

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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.