Home / 1,097,811.88-1,515,910.38-690,045.05

Finding the Fourth Proportional to 1,097,811.88, 1,515,910.38 and 690,045.05

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Solution

The fourth proportional to 1,097,811.88, 1,515,910.38 and 690,045.05 is: 952,846.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,811.88 : 1,515,910.38 = 690,045.05 : x
  2. Step 2: Convert to fraction form
    1,097,811.88/1,515,910.38 = 690,045.05/x
  3. Step 3: Cross multiply
    1,097,811.88x = 1,515,910.38 × 690,045.05
  4. Step 4: Simplify right side
    1,097,811.88x = 1,046,046,453,812.32
  5. Step 5: Solve for x
    x = 1,046,046,453,812.32/1,097,811.88
  6. Step 6: Final answer
    x = 952,846.72

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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.