Home / 1,237,572.18-1,856,359.89-339,021.90

Finding the Fourth Proportional to 1,237,572.18, 1,856,359.89 and 339,021.90

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Solution

The fourth proportional to 1,237,572.18, 1,856,359.89 and 339,021.90 is: 508,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,572.18 : 1,856,359.89 = 339,021.90 : x
  2. Step 2: Convert to fraction form
    1,237,572.18/1,856,359.89 = 339,021.90/x
  3. Step 3: Cross multiply
    1,237,572.18x = 1,856,359.89 × 339,021.90
  4. Step 4: Simplify right side
    1,237,572.18x = 629,346,656,991.59
  5. Step 5: Solve for x
    x = 629,346,656,991.59/1,237,572.18
  6. Step 6: Final answer
    x = 508,533.29

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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.