Home / 1,366,649.84-2,050,170.78-420,100.04

Finding the Fourth Proportional to 1,366,649.84, 2,050,170.78 and 420,100.04

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Solution

The fourth proportional to 1,366,649.84, 2,050,170.78 and 420,100.04 is: 630,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,649.84 : 2,050,170.78 = 420,100.04 : x
  2. Step 2: Convert to fraction form
    1,366,649.84/2,050,170.78 = 420,100.04/x
  3. Step 3: Cross multiply
    1,366,649.84x = 2,050,170.78 × 420,100.04
  4. Step 4: Simplify right side
    1,366,649.84x = 861,276,826,684.83
  5. Step 5: Solve for x
    x = 861,276,826,684.83/1,366,649.84
  6. Step 6: Final answer
    x = 630,210.32

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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.