Home / 1,079,136.30-1,618,704.45-869,184.30

Finding the Fourth Proportional to 1,079,136.30, 1,618,704.45 and 869,184.30

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Solution

The fourth proportional to 1,079,136.30, 1,618,704.45 and 869,184.30 is: 1,303,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,136.30 : 1,618,704.45 = 869,184.30 : x
  2. Step 2: Convert to fraction form
    1,079,136.30/1,618,704.45 = 869,184.30/x
  3. Step 3: Cross multiply
    1,079,136.30x = 1,618,704.45 × 869,184.30
  4. Step 4: Simplify right side
    1,079,136.30x = 1,406,952,494,280.14
  5. Step 5: Solve for x
    x = 1,406,952,494,280.14/1,079,136.30
  6. Step 6: Final answer
    x = 1,303,776.45

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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.