Home / 1,336,228.20-1,999,676.70-916,324.20

Finding the Fourth Proportional to 1,336,228.20, 1,999,676.70 and 916,324.20

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Solution

The fourth proportional to 1,336,228.20, 1,999,676.70 and 916,324.20 is: 1,371,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,228.20 : 1,999,676.70 = 916,324.20 : x
  2. Step 2: Convert to fraction form
    1,336,228.20/1,999,676.70 = 916,324.20/x
  3. Step 3: Cross multiply
    1,336,228.20x = 1,999,676.70 × 916,324.20
  4. Step 4: Simplify right side
    1,336,228.20x = 1,832,352,152,386.14
  5. Step 5: Solve for x
    x = 1,832,352,152,386.14/1,336,228.20
  6. Step 6: Final answer
    x = 1,371,286.84

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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.