Home / 1,022,860.38-1,534,235.34-312,888.50

Finding the Fourth Proportional to 1,022,860.38, 1,534,235.34 and 312,888.50

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Solution

The fourth proportional to 1,022,860.38, 1,534,235.34 and 312,888.50 is: 469,315.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,860.38 : 1,534,235.34 = 312,888.50 : x
  2. Step 2: Convert to fraction form
    1,022,860.38/1,534,235.34 = 312,888.50/x
  3. Step 3: Cross multiply
    1,022,860.38x = 1,534,235.34 × 312,888.50
  4. Step 4: Simplify right side
    1,022,860.38x = 480,044,594,179.59
  5. Step 5: Solve for x
    x = 480,044,594,179.59/1,022,860.38
  6. Step 6: Final answer
    x = 469,315.86

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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.