Home / 1,108,640.40-1,663,616.70-730,653.90

Finding the Fourth Proportional to 1,108,640.40, 1,663,616.70 and 730,653.90

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Solution

The fourth proportional to 1,108,640.40, 1,663,616.70 and 730,653.90 is: 1,096,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,640.40 : 1,663,616.70 = 730,653.90 : x
  2. Step 2: Convert to fraction form
    1,108,640.40/1,663,616.70 = 730,653.90/x
  3. Step 3: Cross multiply
    1,108,640.40x = 1,663,616.70 × 730,653.90
  4. Step 4: Simplify right side
    1,108,640.40x = 1,215,528,029,960.13
  5. Step 5: Solve for x
    x = 1,215,528,029,960.13/1,108,640.40
  6. Step 6: Final answer
    x = 1,096,413.26

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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.