Home / 985,246.20-1,477,869.30-825,813.90

Finding the Fourth Proportional to 985,246.20, 1,477,869.30 and 825,813.90

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Solution

The fourth proportional to 985,246.20, 1,477,869.30 and 825,813.90 is: 1,238,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,246.20 : 1,477,869.30 = 825,813.90 : x
  2. Step 2: Convert to fraction form
    985,246.20/1,477,869.30 = 825,813.90/x
  3. Step 3: Cross multiply
    985,246.20x = 1,477,869.30 × 825,813.90
  4. Step 4: Simplify right side
    985,246.20x = 1,220,445,010,323.27
  5. Step 5: Solve for x
    x = 1,220,445,010,323.27/985,246.20
  6. Step 6: Final answer
    x = 1,238,720.85

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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.