Home / 1,650,686.92-2,277,109.56-1,078,062.28

Finding the Fourth Proportional to 1,650,686.92, 2,277,109.56 and 1,078,062.28

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Solution

The fourth proportional to 1,650,686.92, 2,277,109.56 and 1,078,062.28 is: 1,487,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,686.92 : 2,277,109.56 = 1,078,062.28 : x
  2. Step 2: Convert to fraction form
    1,650,686.92/2,277,109.56 = 1,078,062.28/x
  3. Step 3: Cross multiply
    1,650,686.92x = 2,277,109.56 × 1,078,062.28
  4. Step 4: Simplify right side
    1,650,686.92x = 2,454,865,922,413.36
  5. Step 5: Solve for x
    x = 2,454,865,922,413.36/1,650,686.92
  6. Step 6: Final answer
    x = 1,487,178.40

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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.