Home / 1,198,766.40-1,798,269.86-345,859.18

Finding the Fourth Proportional to 1,198,766.40, 1,798,269.86 and 345,859.18

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Solution

The fourth proportional to 1,198,766.40, 1,798,269.86 and 345,859.18 is: 518,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,766.40 : 1,798,269.86 = 345,859.18 : x
  2. Step 2: Convert to fraction form
    1,198,766.40/1,798,269.86 = 345,859.18/x
  3. Step 3: Cross multiply
    1,198,766.40x = 1,798,269.86 × 345,859.18
  4. Step 4: Simplify right side
    1,198,766.40x = 621,948,139,198.32
  5. Step 5: Solve for x
    x = 621,948,139,198.32/1,198,766.40
  6. Step 6: Final answer
    x = 518,823.47

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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.