Home / 1,097,207.60-1,645,811.40-1,090,209.20

Finding the Fourth Proportional to 1,097,207.60, 1,645,811.40 and 1,090,209.20

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Solution

The fourth proportional to 1,097,207.60, 1,645,811.40 and 1,090,209.20 is: 1,635,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,207.60 : 1,645,811.40 = 1,090,209.20 : x
  2. Step 2: Convert to fraction form
    1,097,207.60/1,645,811.40 = 1,090,209.20/x
  3. Step 3: Cross multiply
    1,097,207.60x = 1,645,811.40 × 1,090,209.20
  4. Step 4: Simplify right side
    1,097,207.60x = 1,794,278,729,744.88
  5. Step 5: Solve for x
    x = 1,794,278,729,744.88/1,097,207.60
  6. Step 6: Final answer
    x = 1,635,313.80

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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.