Home / 1,361,528.81-2,042,514.85-402,081.46

Finding the Fourth Proportional to 1,361,528.81, 2,042,514.85 and 402,081.46

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Solution

The fourth proportional to 1,361,528.81, 2,042,514.85 and 402,081.46 is: 603,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,528.81 : 2,042,514.85 = 402,081.46 : x
  2. Step 2: Convert to fraction form
    1,361,528.81/2,042,514.85 = 402,081.46/x
  3. Step 3: Cross multiply
    1,361,528.81x = 2,042,514.85 × 402,081.46
  4. Step 4: Simplify right side
    1,361,528.81x = 821,257,352,959.68
  5. Step 5: Solve for x
    x = 821,257,352,959.68/1,361,528.81
  6. Step 6: Final answer
    x = 603,187.64

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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.