Home / 1,022,747.82-1,533,875.66-312,782.02

Finding the Fourth Proportional to 1,022,747.82, 1,533,875.66 and 312,782.02

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Solution

The fourth proportional to 1,022,747.82, 1,533,875.66 and 312,782.02 is: 469,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,747.82 : 1,533,875.66 = 312,782.02 : x
  2. Step 2: Convert to fraction form
    1,022,747.82/1,533,875.66 = 312,782.02/x
  3. Step 3: Cross multiply
    1,022,747.82x = 1,533,875.66 × 312,782.02
  4. Step 4: Simplify right side
    1,022,747.82x = 479,768,727,363.63
  5. Step 5: Solve for x
    x = 479,768,727,363.63/1,022,747.82
  6. Step 6: Final answer
    x = 469,097.78

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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.