Home / 1,288,124.02-1,932,011.07-489,606.58

Finding the Fourth Proportional to 1,288,124.02, 1,932,011.07 and 489,606.58

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Solution

The fourth proportional to 1,288,124.02, 1,932,011.07 and 489,606.58 is: 734,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,124.02 : 1,932,011.07 = 489,606.58 : x
  2. Step 2: Convert to fraction form
    1,288,124.02/1,932,011.07 = 489,606.58/x
  3. Step 3: Cross multiply
    1,288,124.02x = 1,932,011.07 × 489,606.58
  4. Step 4: Simplify right side
    1,288,124.02x = 945,925,332,504.84
  5. Step 5: Solve for x
    x = 945,925,332,504.84/1,288,124.02
  6. Step 6: Final answer
    x = 734,343.37

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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.