Home / 1,263,790.18-1,744,057.47-690,883.66

Finding the Fourth Proportional to 1,263,790.18, 1,744,057.47 and 690,883.66

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Solution

The fourth proportional to 1,263,790.18, 1,744,057.47 and 690,883.66 is: 953,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,790.18 : 1,744,057.47 = 690,883.66 : x
  2. Step 2: Convert to fraction form
    1,263,790.18/1,744,057.47 = 690,883.66/x
  3. Step 3: Cross multiply
    1,263,790.18x = 1,744,057.47 × 690,883.66
  4. Step 4: Simplify right side
    1,263,790.18x = 1,204,940,808,123.94
  5. Step 5: Solve for x
    x = 1,204,940,808,123.94/1,263,790.18
  6. Step 6: Final answer
    x = 953,434.22

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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.