Home / 1,421,853.35-1,962,188.55-777,273.17

Finding the Fourth Proportional to 1,421,853.35, 1,962,188.55 and 777,273.17

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Solution

The fourth proportional to 1,421,853.35, 1,962,188.55 and 777,273.17 is: 1,072,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,853.35 : 1,962,188.55 = 777,273.17 : x
  2. Step 2: Convert to fraction form
    1,421,853.35/1,962,188.55 = 777,273.17/x
  3. Step 3: Cross multiply
    1,421,853.35x = 1,962,188.55 × 777,273.17
  4. Step 4: Simplify right side
    1,421,853.35x = 1,525,156,504,585.26
  5. Step 5: Solve for x
    x = 1,525,156,504,585.26/1,421,853.35
  6. Step 6: Final answer
    x = 1,072,653.88

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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.