Home / 1,581,226.32-2,370,986.28-821,192.76

Finding the Fourth Proportional to 1,581,226.32, 2,370,986.28 and 821,192.76

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Solution

The fourth proportional to 1,581,226.32, 2,370,986.28 and 821,192.76 is: 1,231,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,226.32 : 2,370,986.28 = 821,192.76 : x
  2. Step 2: Convert to fraction form
    1,581,226.32/2,370,986.28 = 821,192.76/x
  3. Step 3: Cross multiply
    1,581,226.32x = 2,370,986.28 × 821,192.76
  4. Step 4: Simplify right side
    1,581,226.32x = 1,947,036,767,195.33
  5. Step 5: Solve for x
    x = 1,947,036,767,195.33/1,581,226.32
  6. Step 6: Final answer
    x = 1,231,346.04

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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.