Home / 1,325,532.40-1,829,234.70-721,920.40

Finding the Fourth Proportional to 1,325,532.40, 1,829,234.70 and 721,920.40

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Solution

The fourth proportional to 1,325,532.40, 1,829,234.70 and 721,920.40 is: 996,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,532.40 : 1,829,234.70 = 721,920.40 : x
  2. Step 2: Convert to fraction form
    1,325,532.40/1,829,234.70 = 721,920.40/x
  3. Step 3: Cross multiply
    1,325,532.40x = 1,829,234.70 × 721,920.40
  4. Step 4: Simplify right side
    1,325,532.40x = 1,320,561,846,317.88
  5. Step 5: Solve for x
    x = 1,320,561,846,317.88/1,325,532.40
  6. Step 6: Final answer
    x = 996,250.15

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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.