Home / 1,411,288.45-1,947,591.74-766,713.26

Finding the Fourth Proportional to 1,411,288.45, 1,947,591.74 and 766,713.26

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Solution

The fourth proportional to 1,411,288.45, 1,947,591.74 and 766,713.26 is: 1,058,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,288.45 : 1,947,591.74 = 766,713.26 : x
  2. Step 2: Convert to fraction form
    1,411,288.45/1,947,591.74 = 766,713.26/x
  3. Step 3: Cross multiply
    1,411,288.45x = 1,947,591.74 × 766,713.26
  4. Step 4: Simplify right side
    1,411,288.45x = 1,493,244,418,910.24
  5. Step 5: Solve for x
    x = 1,493,244,418,910.24/1,411,288.45
  6. Step 6: Final answer
    x = 1,058,071.74

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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.