Home / 1,782,017.70-2,672,042.40-715,855.20

Finding the Fourth Proportional to 1,782,017.70, 2,672,042.40 and 715,855.20

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Solution

The fourth proportional to 1,782,017.70, 2,672,042.40 and 715,855.20 is: 1,073,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,017.70 : 2,672,042.40 = 715,855.20 : x
  2. Step 2: Convert to fraction form
    1,782,017.70/2,672,042.40 = 715,855.20/x
  3. Step 3: Cross multiply
    1,782,017.70x = 2,672,042.40 × 715,855.20
  4. Step 4: Simplify right side
    1,782,017.70x = 1,912,795,446,660.48
  5. Step 5: Solve for x
    x = 1,912,795,446,660.48/1,782,017.70
  6. Step 6: Final answer
    x = 1,073,387.46

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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.