Home / 1,243,814.04-1,865,731.50-345,325.84

Finding the Fourth Proportional to 1,243,814.04, 1,865,731.50 and 345,325.84

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Solution

The fourth proportional to 1,243,814.04, 1,865,731.50 and 345,325.84 is: 517,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,814.04 : 1,865,731.50 = 345,325.84 : x
  2. Step 2: Convert to fraction form
    1,243,814.04/1,865,731.50 = 345,325.84/x
  3. Step 3: Cross multiply
    1,243,814.04x = 1,865,731.50 × 345,325.84
  4. Step 4: Simplify right side
    1,243,814.04x = 644,285,297,451.96
  5. Step 5: Solve for x
    x = 644,285,297,451.96/1,243,814.04
  6. Step 6: Final answer
    x = 517,991.66

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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.