Home / 1,097,822.20-1,515,924.61-690,055.36

Finding the Fourth Proportional to 1,097,822.20, 1,515,924.61 and 690,055.36

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Solution

The fourth proportional to 1,097,822.20, 1,515,924.61 and 690,055.36 is: 952,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,822.20 : 1,515,924.61 = 690,055.36 : x
  2. Step 2: Convert to fraction form
    1,097,822.20/1,515,924.61 = 690,055.36/x
  3. Step 3: Cross multiply
    1,097,822.20x = 1,515,924.61 × 690,055.36
  4. Step 4: Simplify right side
    1,097,822.20x = 1,046,071,902,486.41
  5. Step 5: Solve for x
    x = 1,046,071,902,486.41/1,097,822.20
  6. Step 6: Final answer
    x = 952,860.95

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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.