Home / 1,621,409.86-2,432,215.08-542,019.54

Finding the Fourth Proportional to 1,621,409.86, 2,432,215.08 and 542,019.54

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Solution

The fourth proportional to 1,621,409.86, 2,432,215.08 and 542,019.54 is: 813,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,409.86 : 2,432,215.08 = 542,019.54 : x
  2. Step 2: Convert to fraction form
    1,621,409.86/2,432,215.08 = 542,019.54/x
  3. Step 3: Cross multiply
    1,621,409.86x = 2,432,215.08 × 542,019.54
  4. Step 4: Simplify right side
    1,621,409.86x = 1,318,308,098,842.66
  5. Step 5: Solve for x
    x = 1,318,308,098,842.66/1,621,409.86
  6. Step 6: Final answer
    x = 813,062.84

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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.