Home / 1,086,051.24-1,629,154.80-287,323.34

Finding the Fourth Proportional to 1,086,051.24, 1,629,154.80 and 287,323.34

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Solution

The fourth proportional to 1,086,051.24, 1,629,154.80 and 287,323.34 is: 431,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,051.24 : 1,629,154.80 = 287,323.34 : x
  2. Step 2: Convert to fraction form
    1,086,051.24/1,629,154.80 = 287,323.34/x
  3. Step 3: Cross multiply
    1,086,051.24x = 1,629,154.80 × 287,323.34
  4. Step 4: Simplify right side
    1,086,051.24x = 468,094,190,367.26
  5. Step 5: Solve for x
    x = 468,094,190,367.26/1,086,051.24
  6. Step 6: Final answer
    x = 431,005.62

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1.5x scale

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.