Home / 1,674,072.80-2,511,692.40-728,122.40

Finding the Fourth Proportional to 1,674,072.80, 2,511,692.40 and 728,122.40

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Solution

The fourth proportional to 1,674,072.80, 2,511,692.40 and 728,122.40 is: 1,092,437.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,072.80 : 2,511,692.40 = 728,122.40 : x
  2. Step 2: Convert to fraction form
    1,674,072.80/2,511,692.40 = 728,122.40/x
  3. Step 3: Cross multiply
    1,674,072.80x = 2,511,692.40 × 728,122.40
  4. Step 4: Simplify right side
    1,674,072.80x = 1,828,819,498,349.76
  5. Step 5: Solve for x
    x = 1,828,819,498,349.76/1,674,072.80
  6. Step 6: Final answer
    x = 1,092,437.26

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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.