Home / 1,331,624.32-1,837,640.42-719,777.07

Finding the Fourth Proportional to 1,331,624.32, 1,837,640.42 and 719,777.07

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Solution

The fourth proportional to 1,331,624.32, 1,837,640.42 and 719,777.07 is: 993,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,624.32 : 1,837,640.42 = 719,777.07 : x
  2. Step 2: Convert to fraction form
    1,331,624.32/1,837,640.42 = 719,777.07/x
  3. Step 3: Cross multiply
    1,331,624.32x = 1,837,640.42 × 719,777.07
  4. Step 4: Simplify right side
    1,331,624.32x = 1,322,691,432,445.17
  5. Step 5: Solve for x
    x = 1,322,691,432,445.17/1,331,624.32
  6. Step 6: Final answer
    x = 993,291.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.