Home / 1,674,140.80-2,511,794.40-728,190.40

Finding the Fourth Proportional to 1,674,140.80, 2,511,794.40 and 728,190.40

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Solution

The fourth proportional to 1,674,140.80, 2,511,794.40 and 728,190.40 is: 1,092,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,140.80 : 2,511,794.40 = 728,190.40 : x
  2. Step 2: Convert to fraction form
    1,674,140.80/2,511,794.40 = 728,190.40/x
  3. Step 3: Cross multiply
    1,674,140.80x = 2,511,794.40 × 728,190.40
  4. Step 4: Simplify right side
    1,674,140.80x = 1,829,064,568,853.76
  5. Step 5: Solve for x
    x = 1,829,064,568,853.76/1,674,140.80
  6. Step 6: Final answer
    x = 1,092,539.27

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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.