Home / 1,245,746.20-1,868,619.30-996,914.20

Finding the Fourth Proportional to 1,245,746.20, 1,868,619.30 and 996,914.20

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Solution

The fourth proportional to 1,245,746.20, 1,868,619.30 and 996,914.20 is: 1,495,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,746.20 : 1,868,619.30 = 996,914.20 : x
  2. Step 2: Convert to fraction form
    1,245,746.20/1,868,619.30 = 996,914.20/x
  3. Step 3: Cross multiply
    1,245,746.20x = 1,868,619.30 × 996,914.20
  4. Step 4: Simplify right side
    1,245,746.20x = 1,862,853,114,564.06
  5. Step 5: Solve for x
    x = 1,862,853,114,564.06/1,245,746.20
  6. Step 6: Final answer
    x = 1,495,371.30

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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.