Home / 1,320,624.64-1,981,021.20-374,068.36

Finding the Fourth Proportional to 1,320,624.64, 1,981,021.20 and 374,068.36

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Solution

The fourth proportional to 1,320,624.64, 1,981,021.20 and 374,068.36 is: 561,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,624.64 : 1,981,021.20 = 374,068.36 : x
  2. Step 2: Convert to fraction form
    1,320,624.64/1,981,021.20 = 374,068.36/x
  3. Step 3: Cross multiply
    1,320,624.64x = 1,981,021.20 × 374,068.36
  4. Step 4: Simplify right side
    1,320,624.64x = 741,037,351,409.23
  5. Step 5: Solve for x
    x = 741,037,351,409.23/1,320,624.64
  6. Step 6: Final answer
    x = 561,126.40

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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.