Home / 1,294,527.50-1,786,471.43-721,506.16

Finding the Fourth Proportional to 1,294,527.50, 1,786,471.43 and 721,506.16

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Solution

The fourth proportional to 1,294,527.50, 1,786,471.43 and 721,506.16 is: 995,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,527.50 : 1,786,471.43 = 721,506.16 : x
  2. Step 2: Convert to fraction form
    1,294,527.50/1,786,471.43 = 721,506.16/x
  3. Step 3: Cross multiply
    1,294,527.50x = 1,786,471.43 × 721,506.16
  4. Step 4: Simplify right side
    1,294,527.50x = 1,288,950,141,409.01
  5. Step 5: Solve for x
    x = 1,288,950,141,409.01/1,294,527.50
  6. Step 6: Final answer
    x = 995,691.59

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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.