Home / 1,288,483.14-1,932,973.73-489,702.41

Finding the Fourth Proportional to 1,288,483.14, 1,932,973.73 and 489,702.41

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Solution

The fourth proportional to 1,288,483.14, 1,932,973.73 and 489,702.41 is: 734,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,483.14 : 1,932,973.73 = 489,702.41 : x
  2. Step 2: Convert to fraction form
    1,288,483.14/1,932,973.73 = 489,702.41/x
  3. Step 3: Cross multiply
    1,288,483.14x = 1,932,973.73 × 489,702.41
  4. Step 4: Simplify right side
    1,288,483.14x = 946,581,881,934.31
  5. Step 5: Solve for x
    x = 946,581,881,934.31/1,288,483.14
  6. Step 6: Final answer
    x = 734,648.25

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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.