Home / 1,097,104.30-1,642,448.85-782,176.30

Finding the Fourth Proportional to 1,097,104.30, 1,642,448.85 and 782,176.30

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Solution

The fourth proportional to 1,097,104.30, 1,642,448.85 and 782,176.30 is: 1,170,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,104.30 : 1,642,448.85 = 782,176.30 : x
  2. Step 2: Convert to fraction form
    1,097,104.30/1,642,448.85 = 782,176.30/x
  3. Step 3: Cross multiply
    1,097,104.30x = 1,642,448.85 × 782,176.30
  4. Step 4: Simplify right side
    1,097,104.30x = 1,284,684,564,432.26
  5. Step 5: Solve for x
    x = 1,284,684,564,432.26/1,097,104.30
  6. Step 6: Final answer
    x = 1,170,977.60

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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.