Home / 1,246,379-1,869,378.94-347,726.12

Finding the Fourth Proportional to 1,246,379, 1,869,378.94 and 347,726.12

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Solution

The fourth proportional to 1,246,379, 1,869,378.94 and 347,726.12 is: 521,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,379 : 1,869,378.94 = 347,726.12 : x
  2. Step 2: Convert to fraction form
    1,246,379/1,869,378.94 = 347,726.12/x
  3. Step 3: Cross multiply
    1,246,379x = 1,869,378.94 × 347,726.12
  4. Step 4: Simplify right side
    1,246,379x = 650,031,885,615.91
  5. Step 5: Solve for x
    x = 650,031,885,615.91/1,246,379
  6. Step 6: Final answer
    x = 521,536.29

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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.