Home / 1,942,462.40-2,912,656.80-819,262.40

Finding the Fourth Proportional to 1,942,462.40, 2,912,656.80 and 819,262.40

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Solution

The fourth proportional to 1,942,462.40, 2,912,656.80 and 819,262.40 is: 1,228,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,462.40 : 2,912,656.80 = 819,262.40 : x
  2. Step 2: Convert to fraction form
    1,942,462.40/2,912,656.80 = 819,262.40/x
  3. Step 3: Cross multiply
    1,942,462.40x = 2,912,656.80 × 819,262.40
  4. Step 4: Simplify right side
    1,942,462.40x = 2,386,230,200,344.32
  5. Step 5: Solve for x
    x = 2,386,230,200,344.32/1,942,462.40
  6. Step 6: Final answer
    x = 1,228,456.31

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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.