Home / 1,022,795.68-1,533,947.40-312,829.84

Finding the Fourth Proportional to 1,022,795.68, 1,533,947.40 and 312,829.84

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Solution

The fourth proportional to 1,022,795.68, 1,533,947.40 and 312,829.84 is: 469,169.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,795.68 : 1,533,947.40 = 312,829.84 : x
  2. Step 2: Convert to fraction form
    1,022,795.68/1,533,947.40 = 312,829.84/x
  3. Step 3: Cross multiply
    1,022,795.68x = 1,533,947.40 × 312,829.84
  4. Step 4: Simplify right side
    1,022,795.68x = 479,864,519,710.42
  5. Step 5: Solve for x
    x = 479,864,519,710.42/1,022,795.68
  6. Step 6: Final answer
    x = 469,169.48

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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.