Home / 1,347,581.70-2,021,372.55-1,237,356.90

Finding the Fourth Proportional to 1,347,581.70, 2,021,372.55 and 1,237,356.90

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Solution

The fourth proportional to 1,347,581.70, 2,021,372.55 and 1,237,356.90 is: 1,856,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,581.70 : 2,021,372.55 = 1,237,356.90 : x
  2. Step 2: Convert to fraction form
    1,347,581.70/2,021,372.55 = 1,237,356.90/x
  3. Step 3: Cross multiply
    1,347,581.70x = 2,021,372.55 × 1,237,356.90
  4. Step 4: Simplify right side
    1,347,581.70x = 2,501,159,272,213.09
  5. Step 5: Solve for x
    x = 2,501,159,272,213.09/1,347,581.70
  6. Step 6: Final answer
    x = 1,856,035.35

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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.