Home / 1,107,413.80-1,661,898.30-476,780.20

Finding the Fourth Proportional to 1,107,413.80, 1,661,898.30 and 476,780.20

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Solution

The fourth proportional to 1,107,413.80, 1,661,898.30 and 476,780.20 is: 715,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,413.80 : 1,661,898.30 = 476,780.20 : x
  2. Step 2: Convert to fraction form
    1,107,413.80/1,661,898.30 = 476,780.20/x
  3. Step 3: Cross multiply
    1,107,413.80x = 1,661,898.30 × 476,780.20
  4. Step 4: Simplify right side
    1,107,413.80x = 792,360,203,853.66
  5. Step 5: Solve for x
    x = 792,360,203,853.66/1,107,413.80
  6. Step 6: Final answer
    x = 715,505.08

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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.