Home / 1,422,026.46-1,962,397.59-777,436.38

Finding the Fourth Proportional to 1,422,026.46, 1,962,397.59 and 777,436.38

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Solution

The fourth proportional to 1,422,026.46, 1,962,397.59 and 777,436.38 is: 1,072,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,026.46 : 1,962,397.59 = 777,436.38 : x
  2. Step 2: Convert to fraction form
    1,422,026.46/1,962,397.59 = 777,436.38/x
  3. Step 3: Cross multiply
    1,422,026.46x = 1,962,397.59 × 777,436.38
  4. Step 4: Simplify right side
    1,422,026.46x = 1,525,639,278,490.32
  5. Step 5: Solve for x
    x = 1,525,639,278,490.32/1,422,026.46
  6. Step 6: Final answer
    x = 1,072,862.79

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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.