Home / 1,432,278-1,976,593.32-787,746.96

Finding the Fourth Proportional to 1,432,278, 1,976,593.32 and 787,746.96

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Solution

The fourth proportional to 1,432,278, 1,976,593.32 and 787,746.96 is: 1,087,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,278 : 1,976,593.32 = 787,746.96 : x
  2. Step 2: Convert to fraction form
    1,432,278/1,976,593.32 = 787,746.96/x
  3. Step 3: Cross multiply
    1,432,278x = 1,976,593.32 × 787,746.96
  4. Step 4: Simplify right side
    1,432,278x = 1,557,055,378,986.31
  5. Step 5: Solve for x
    x = 1,557,055,378,986.31/1,432,278
  6. Step 6: Final answer
    x = 1,087,118.13

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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.