Home / 1,121,413.50-1,679,371.92-1,013,579.82

Finding the Fourth Proportional to 1,121,413.50, 1,679,371.92 and 1,013,579.82

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Solution

The fourth proportional to 1,121,413.50, 1,679,371.92 and 1,013,579.82 is: 1,517,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,413.50 : 1,679,371.92 = 1,013,579.82 : x
  2. Step 2: Convert to fraction form
    1,121,413.50/1,679,371.92 = 1,013,579.82/x
  3. Step 3: Cross multiply
    1,121,413.50x = 1,679,371.92 × 1,013,579.82
  4. Step 4: Simplify right side
    1,121,413.50x = 1,702,177,488,386.65
  5. Step 5: Solve for x
    x = 1,702,177,488,386.65/1,121,413.50
  6. Step 6: Final answer
    x = 1,517,885.68

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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.