Home / 1,268,638.77-1,902,755.49-369,870.28

Finding the Fourth Proportional to 1,268,638.77, 1,902,755.49 and 369,870.28

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Solution

The fourth proportional to 1,268,638.77, 1,902,755.49 and 369,870.28 is: 554,746.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,638.77 : 1,902,755.49 = 369,870.28 : x
  2. Step 2: Convert to fraction form
    1,268,638.77/1,902,755.49 = 369,870.28/x
  3. Step 3: Cross multiply
    1,268,638.77x = 1,902,755.49 × 369,870.28
  4. Step 4: Simplify right side
    1,268,638.77x = 703,772,705,857.84
  5. Step 5: Solve for x
    x = 703,772,705,857.84/1,268,638.77
  6. Step 6: Final answer
    x = 554,746.34

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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.