Home / 940,333.68-1,412,409.96-830,502.72

Finding the Fourth Proportional to 940,333.68, 1,412,409.96 and 830,502.72

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Solution

The fourth proportional to 940,333.68, 1,412,409.96 and 830,502.72 is: 1,247,440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,333.68 : 1,412,409.96 = 830,502.72 : x
  2. Step 2: Convert to fraction form
    940,333.68/1,412,409.96 = 830,502.72/x
  3. Step 3: Cross multiply
    940,333.68x = 1,412,409.96 × 830,502.72
  4. Step 4: Simplify right side
    940,333.68x = 1,173,010,313,535.09
  5. Step 5: Solve for x
    x = 1,173,010,313,535.09/940,333.68
  6. Step 6: Final answer
    x = 1,247,440.50

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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.