Home / 1,243,608.80-1,865,413.20-444,916.40

Finding the Fourth Proportional to 1,243,608.80, 1,865,413.20 and 444,916.40

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Solution

The fourth proportional to 1,243,608.80, 1,865,413.20 and 444,916.40 is: 667,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,608.80 : 1,865,413.20 = 444,916.40 : x
  2. Step 2: Convert to fraction form
    1,243,608.80/1,865,413.20 = 444,916.40/x
  3. Step 3: Cross multiply
    1,243,608.80x = 1,865,413.20 × 444,916.40
  4. Step 4: Simplify right side
    1,243,608.80x = 829,952,925,456.48
  5. Step 5: Solve for x
    x = 829,952,925,456.48/1,243,608.80
  6. Step 6: Final answer
    x = 667,374.60

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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.