Home / 1,057,380.96-1,586,382.48-425,969.76

Finding the Fourth Proportional to 1,057,380.96, 1,586,382.48 and 425,969.76

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Solution

The fourth proportional to 1,057,380.96, 1,586,382.48 and 425,969.76 is: 639,079.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,380.96 : 1,586,382.48 = 425,969.76 : x
  2. Step 2: Convert to fraction form
    1,057,380.96/1,586,382.48 = 425,969.76/x
  3. Step 3: Cross multiply
    1,057,380.96x = 1,586,382.48 × 425,969.76
  4. Step 4: Simplify right side
    1,057,380.96x = 675,750,964,273.81
  5. Step 5: Solve for x
    x = 675,750,964,273.81/1,057,380.96
  6. Step 6: Final answer
    x = 639,079.94

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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.