Home / 1,316,863.64-1,817,419.34-743,940.70

Finding the Fourth Proportional to 1,316,863.64, 1,817,419.34 and 743,940.70

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Solution

The fourth proportional to 1,316,863.64, 1,817,419.34 and 743,940.70 is: 1,026,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,863.64 : 1,817,419.34 = 743,940.70 : x
  2. Step 2: Convert to fraction form
    1,316,863.64/1,817,419.34 = 743,940.70/x
  3. Step 3: Cross multiply
    1,316,863.64x = 1,817,419.34 × 743,940.70
  4. Step 4: Simplify right side
    1,316,863.64x = 1,352,052,215,993.14
  5. Step 5: Solve for x
    x = 1,352,052,215,993.14/1,316,863.64
  6. Step 6: Final answer
    x = 1,026,721.50

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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.