Home / 1,361,712.35-2,042,624.88-402,168.15

Finding the Fourth Proportional to 1,361,712.35, 2,042,624.88 and 402,168.15

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Solution

The fourth proportional to 1,361,712.35, 2,042,624.88 and 402,168.15 is: 603,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,712.35 : 2,042,624.88 = 402,168.15 : x
  2. Step 2: Convert to fraction form
    1,361,712.35/2,042,624.88 = 402,168.15/x
  3. Step 3: Cross multiply
    1,361,712.35x = 2,042,624.88 × 402,168.15
  4. Step 4: Simplify right side
    1,361,712.35x = 821,478,669,133.57
  5. Step 5: Solve for x
    x = 821,478,669,133.57/1,361,712.35
  6. Step 6: Final answer
    x = 603,268.87

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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.