Home / 1,224,003.48-1,689,162.84-672,709.19

Finding the Fourth Proportional to 1,224,003.48, 1,689,162.84 and 672,709.19

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Solution

The fourth proportional to 1,224,003.48, 1,689,162.84 and 672,709.19 is: 928,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,003.48 : 1,689,162.84 = 672,709.19 : x
  2. Step 2: Convert to fraction form
    1,224,003.48/1,689,162.84 = 672,709.19/x
  3. Step 3: Cross multiply
    1,224,003.48x = 1,689,162.84 × 672,709.19
  4. Step 4: Simplify right side
    1,224,003.48x = 1,136,315,365,874.50
  5. Step 5: Solve for x
    x = 1,136,315,365,874.50/1,224,003.48
  6. Step 6: Final answer
    x = 928,359.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.