Home / 1,497,198.80-2,245,895.40-788,610.80

Finding the Fourth Proportional to 1,497,198.80, 2,245,895.40 and 788,610.80

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Solution

The fourth proportional to 1,497,198.80, 2,245,895.40 and 788,610.80 is: 1,182,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,198.80 : 2,245,895.40 = 788,610.80 : x
  2. Step 2: Convert to fraction form
    1,497,198.80/2,245,895.40 = 788,610.80/x
  3. Step 3: Cross multiply
    1,497,198.80x = 2,245,895.40 × 788,610.80
  4. Step 4: Simplify right side
    1,497,198.80x = 1,771,137,368,110.32
  5. Step 5: Solve for x
    x = 1,771,137,368,110.32/1,497,198.80
  6. Step 6: Final answer
    x = 1,182,967.40

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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.