Home / 1,022,777.52-1,533,920.25-312,811.71

Finding the Fourth Proportional to 1,022,777.52, 1,533,920.25 and 312,811.71

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Solution

The fourth proportional to 1,022,777.52, 1,533,920.25 and 312,811.71 is: 469,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,777.52 : 1,533,920.25 = 312,811.71 : x
  2. Step 2: Convert to fraction form
    1,022,777.52/1,533,920.25 = 312,811.71/x
  3. Step 3: Cross multiply
    1,022,777.52x = 1,533,920.25 × 312,811.71
  4. Step 4: Simplify right side
    1,022,777.52x = 479,828,216,406.13
  5. Step 5: Solve for x
    x = 479,828,216,406.13/1,022,777.52
  6. Step 6: Final answer
    x = 469,142.32

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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.