Home / 1,097,349.30-1,642,816.35-782,421.30

Finding the Fourth Proportional to 1,097,349.30, 1,642,816.35 and 782,421.30

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Solution

The fourth proportional to 1,097,349.30, 1,642,816.35 and 782,421.30 is: 1,171,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,349.30 : 1,642,816.35 = 782,421.30 : x
  2. Step 2: Convert to fraction form
    1,097,349.30/1,642,816.35 = 782,421.30/x
  3. Step 3: Cross multiply
    1,097,349.30x = 1,642,816.35 × 782,421.30
  4. Step 4: Simplify right side
    1,097,349.30x = 1,285,374,504,228.26
  5. Step 5: Solve for x
    x = 1,285,374,504,228.26/1,097,349.30
  6. Step 6: Final answer
    x = 1,171,344.90

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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.