Home / 1,231,683.80-1,848,140.10-699,613.40

Finding the Fourth Proportional to 1,231,683.80, 1,848,140.10 and 699,613.40

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Solution

The fourth proportional to 1,231,683.80, 1,848,140.10 and 699,613.40 is: 1,049,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,683.80 : 1,848,140.10 = 699,613.40 : x
  2. Step 2: Convert to fraction form
    1,231,683.80/1,848,140.10 = 699,613.40/x
  3. Step 3: Cross multiply
    1,231,683.80x = 1,848,140.10 × 699,613.40
  4. Step 4: Simplify right side
    1,231,683.80x = 1,292,983,579,037.34
  5. Step 5: Solve for x
    x = 1,292,983,579,037.34/1,231,683.80
  6. Step 6: Final answer
    x = 1,049,769.09

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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.