Home / 1,213,000.90-1,816,002.15-1,178,008.90

Finding the Fourth Proportional to 1,213,000.90, 1,816,002.15 and 1,178,008.90

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Solution

The fourth proportional to 1,213,000.90, 1,816,002.15 and 1,178,008.90 is: 1,763,615.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,000.90 : 1,816,002.15 = 1,178,008.90 : x
  2. Step 2: Convert to fraction form
    1,213,000.90/1,816,002.15 = 1,178,008.90/x
  3. Step 3: Cross multiply
    1,213,000.90x = 1,816,002.15 × 1,178,008.90
  4. Step 4: Simplify right side
    1,213,000.90x = 2,139,266,695,119.13
  5. Step 5: Solve for x
    x = 2,139,266,695,119.13/1,213,000.90
  6. Step 6: Final answer
    x = 1,763,615.09

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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.