Home / 1,232,165.20-1,849,745.40-782,885.20

Finding the Fourth Proportional to 1,232,165.20, 1,849,745.40 and 782,885.20

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Solution

The fourth proportional to 1,232,165.20, 1,849,745.40 and 782,885.20 is: 1,175,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,165.20 : 1,849,745.40 = 782,885.20 : x
  2. Step 2: Convert to fraction form
    1,232,165.20/1,849,745.40 = 782,885.20/x
  3. Step 3: Cross multiply
    1,232,165.20x = 1,849,745.40 × 782,885.20
  4. Step 4: Simplify right side
    1,232,165.20x = 1,448,138,297,428.08
  5. Step 5: Solve for x
    x = 1,448,138,297,428.08/1,232,165.20
  6. Step 6: Final answer
    x = 1,175,279.34

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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.