Home / 1,012,940.32-1,519,427.76-834,748.96

Finding the Fourth Proportional to 1,012,940.32, 1,519,427.76 and 834,748.96

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Solution

The fourth proportional to 1,012,940.32, 1,519,427.76 and 834,748.96 is: 1,252,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,940.32 : 1,519,427.76 = 834,748.96 : x
  2. Step 2: Convert to fraction form
    1,012,940.32/1,519,427.76 = 834,748.96/x
  3. Step 3: Cross multiply
    1,012,940.32x = 1,519,427.76 × 834,748.96
  4. Step 4: Simplify right side
    1,012,940.32x = 1,268,340,742,455.13
  5. Step 5: Solve for x
    x = 1,268,340,742,455.13/1,012,940.32
  6. Step 6: Final answer
    x = 1,252,137.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.