Home / 1,305,142.40-1,958,426.88-506,455.36

Finding the Fourth Proportional to 1,305,142.40, 1,958,426.88 and 506,455.36

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Solution

The fourth proportional to 1,305,142.40, 1,958,426.88 and 506,455.36 is: 759,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,142.40 : 1,958,426.88 = 506,455.36 : x
  2. Step 2: Convert to fraction form
    1,305,142.40/1,958,426.88 = 506,455.36/x
  3. Step 3: Cross multiply
    1,305,142.40x = 1,958,426.88 × 506,455.36
  4. Step 4: Simplify right side
    1,305,142.40x = 991,855,790,544.08
  5. Step 5: Solve for x
    x = 991,855,790,544.08/1,305,142.40
  6. Step 6: Final answer
    x = 759,959.83

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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.