Home / 1,232,008.60-1,849,913.70-672,136.60

Finding the Fourth Proportional to 1,232,008.60, 1,849,913.70 and 672,136.60

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Solution

The fourth proportional to 1,232,008.60, 1,849,913.70 and 672,136.60 is: 1,009,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,008.60 : 1,849,913.70 = 672,136.60 : x
  2. Step 2: Convert to fraction form
    1,232,008.60/1,849,913.70 = 672,136.60/x
  3. Step 3: Cross multiply
    1,232,008.60x = 1,849,913.70 × 672,136.60
  4. Step 4: Simplify right side
    1,232,008.60x = 1,243,394,704,611.42
  5. Step 5: Solve for x
    x = 1,243,394,704,611.42/1,232,008.60
  6. Step 6: Final answer
    x = 1,009,241.90

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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.