Home / 1,315,432.38-1,973,203.94-416,909.58

Finding the Fourth Proportional to 1,315,432.38, 1,973,203.94 and 416,909.58

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Solution

The fourth proportional to 1,315,432.38, 1,973,203.94 and 416,909.58 is: 625,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,432.38 : 1,973,203.94 = 416,909.58 : x
  2. Step 2: Convert to fraction form
    1,315,432.38/1,973,203.94 = 416,909.58/x
  3. Step 3: Cross multiply
    1,315,432.38x = 1,973,203.94 × 416,909.58
  4. Step 4: Simplify right side
    1,315,432.38x = 822,647,625,879.75
  5. Step 5: Solve for x
    x = 822,647,625,879.75/1,315,432.38
  6. Step 6: Final answer
    x = 625,381.92

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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.