Home / 1,393,760.80-2,092,196.40-1,302,392.80

Finding the Fourth Proportional to 1,393,760.80, 2,092,196.40 and 1,302,392.80

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Solution

The fourth proportional to 1,393,760.80, 2,092,196.40 and 1,302,392.80 is: 1,955,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,760.80 : 2,092,196.40 = 1,302,392.80 : x
  2. Step 2: Convert to fraction form
    1,393,760.80/2,092,196.40 = 1,302,392.80/x
  3. Step 3: Cross multiply
    1,393,760.80x = 2,092,196.40 × 1,302,392.80
  4. Step 4: Simplify right side
    1,393,760.80x = 2,724,861,527,545.92
  5. Step 5: Solve for x
    x = 2,724,861,527,545.92/1,393,760.80
  6. Step 6: Final answer
    x = 1,955,042.45

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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.