Home / 1,677,413.12-2,515,762.38-479,017.28

Finding the Fourth Proportional to 1,677,413.12, 2,515,762.38 and 479,017.28

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Solution

The fourth proportional to 1,677,413.12, 2,515,762.38 and 479,017.28 is: 718,423.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,413.12 : 2,515,762.38 = 479,017.28 : x
  2. Step 2: Convert to fraction form
    1,677,413.12/2,515,762.38 = 479,017.28/x
  3. Step 3: Cross multiply
    1,677,413.12x = 2,515,762.38 × 479,017.28
  4. Step 4: Simplify right side
    1,677,413.12x = 1,205,093,652,393.93
  5. Step 5: Solve for x
    x = 1,205,093,652,393.93/1,677,413.12
  6. Step 6: Final answer
    x = 718,423.89

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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.