Home / 1,475,212.80-2,213,016.30-515,557.20

Finding the Fourth Proportional to 1,475,212.80, 2,213,016.30 and 515,557.20

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Solution

The fourth proportional to 1,475,212.80, 2,213,016.30 and 515,557.20 is: 773,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,212.80 : 2,213,016.30 = 515,557.20 : x
  2. Step 2: Convert to fraction form
    1,475,212.80/2,213,016.30 = 515,557.20/x
  3. Step 3: Cross multiply
    1,475,212.80x = 2,213,016.30 × 515,557.20
  4. Step 4: Simplify right side
    1,475,212.80x = 1,140,936,487,182.36
  5. Step 5: Solve for x
    x = 1,140,936,487,182.36/1,475,212.80
  6. Step 6: Final answer
    x = 773,404.68

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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.