Home / 1,205,904.08-1,664,441.16-722,755.28

Finding the Fourth Proportional to 1,205,904.08, 1,664,441.16 and 722,755.28

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Solution

The fourth proportional to 1,205,904.08, 1,664,441.16 and 722,755.28 is: 997,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,904.08 : 1,664,441.16 = 722,755.28 : x
  2. Step 2: Convert to fraction form
    1,205,904.08/1,664,441.16 = 722,755.28/x
  3. Step 3: Cross multiply
    1,205,904.08x = 1,664,441.16 × 722,755.28
  4. Step 4: Simplify right side
    1,205,904.08x = 1,202,983,636,639.32
  5. Step 5: Solve for x
    x = 1,202,983,636,639.32/1,205,904.08
  6. Step 6: Final answer
    x = 997,578.21

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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.