Home / 1,342,430.80-2,014,747.80-1,331,933.20

Finding the Fourth Proportional to 1,342,430.80, 2,014,747.80 and 1,331,933.20

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Solution

The fourth proportional to 1,342,430.80, 2,014,747.80 and 1,331,933.20 is: 1,998,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,430.80 : 2,014,747.80 = 1,331,933.20 : x
  2. Step 2: Convert to fraction form
    1,342,430.80/2,014,747.80 = 1,331,933.20/x
  3. Step 3: Cross multiply
    1,342,430.80x = 2,014,747.80 × 1,331,933.20
  4. Step 4: Simplify right side
    1,342,430.80x = 2,683,509,484,446.96
  5. Step 5: Solve for x
    x = 2,683,509,484,446.96/1,342,430.80
  6. Step 6: Final answer
    x = 1,998,992.79

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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.