Home / 1,299,412.80-1,793,193.66-726,453

Finding the Fourth Proportional to 1,299,412.80, 1,793,193.66 and 726,453

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Solution

The fourth proportional to 1,299,412.80, 1,793,193.66 and 726,453 is: 1,002,507.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,412.80 : 1,793,193.66 = 726,453 : x
  2. Step 2: Convert to fraction form
    1,299,412.80/1,793,193.66 = 726,453/x
  3. Step 3: Cross multiply
    1,299,412.80x = 1,793,193.66 × 726,453
  4. Step 4: Simplify right side
    1,299,412.80x = 1,302,670,913,887.98
  5. Step 5: Solve for x
    x = 1,302,670,913,887.98/1,299,412.80
  6. Step 6: Final answer
    x = 1,002,507.37

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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.