Home / 1,378,780.94-1,902,832.61-767,048.94

Finding the Fourth Proportional to 1,378,780.94, 1,902,832.61 and 767,048.94

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Solution

The fourth proportional to 1,378,780.94, 1,902,832.61 and 767,048.94 is: 1,058,591.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,780.94 : 1,902,832.61 = 767,048.94 : x
  2. Step 2: Convert to fraction form
    1,378,780.94/1,902,832.61 = 767,048.94/x
  3. Step 3: Cross multiply
    1,378,780.94x = 1,902,832.61 × 767,048.94
  4. Step 4: Simplify right side
    1,378,780.94x = 1,459,565,736,977.34
  5. Step 5: Solve for x
    x = 1,459,565,736,977.34/1,378,780.94
  6. Step 6: Final answer
    x = 1,058,591.47

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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.