Home / 807,575.40-1,208,738.70-807,575.40

Finding the Fourth Proportional to 807,575.40, 1,208,738.70 and 807,575.40

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Solution

The fourth proportional to 807,575.40, 1,208,738.70 and 807,575.40 is: 1,208,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,575.40 : 1,208,738.70 = 807,575.40 : x
  2. Step 2: Convert to fraction form
    807,575.40/1,208,738.70 = 807,575.40/x
  3. Step 3: Cross multiply
    807,575.40x = 1,208,738.70 × 807,575.40
  4. Step 4: Simplify right side
    807,575.40x = 976,147,639,147.98
  5. Step 5: Solve for x
    x = 976,147,639,147.98/807,575.40
  6. Step 6: Final answer
    x = 1,208,738.70

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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.