Home / 1,627,307.76-2,245,817.28-902,382.76

Finding the Fourth Proportional to 1,627,307.76, 2,245,817.28 and 902,382.76

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Solution

The fourth proportional to 1,627,307.76, 2,245,817.28 and 902,382.76 is: 1,245,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,307.76 : 2,245,817.28 = 902,382.76 : x
  2. Step 2: Convert to fraction form
    1,627,307.76/2,245,817.28 = 902,382.76/x
  3. Step 3: Cross multiply
    1,627,307.76x = 2,245,817.28 × 902,382.76
  4. Step 4: Simplify right side
    1,627,307.76x = 2,026,586,795,582.09
  5. Step 5: Solve for x
    x = 2,026,586,795,582.09/1,627,307.76
  6. Step 6: Final answer
    x = 1,245,361.72

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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.