Home / 992,413.95-1,369,026.31-648,450.96

Finding the Fourth Proportional to 992,413.95, 1,369,026.31 and 648,450.96

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Solution

The fourth proportional to 992,413.95, 1,369,026.31 and 648,450.96 is: 894,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,413.95 : 1,369,026.31 = 648,450.96 : x
  2. Step 2: Convert to fraction form
    992,413.95/1,369,026.31 = 648,450.96/x
  3. Step 3: Cross multiply
    992,413.95x = 1,369,026.31 × 648,450.96
  4. Step 4: Simplify right side
    992,413.95x = 887,746,414,897.37
  5. Step 5: Solve for x
    x = 887,746,414,897.37/992,413.95
  6. Step 6: Final answer
    x = 894,532.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.