Home / 1,088,746.20-1,633,265.10-378,991.80

Finding the Fourth Proportional to 1,088,746.20, 1,633,265.10 and 378,991.80

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Solution

The fourth proportional to 1,088,746.20, 1,633,265.10 and 378,991.80 is: 568,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,746.20 : 1,633,265.10 = 378,991.80 : x
  2. Step 2: Convert to fraction form
    1,088,746.20/1,633,265.10 = 378,991.80/x
  3. Step 3: Cross multiply
    1,088,746.20x = 1,633,265.10 × 378,991.80
  4. Step 4: Simplify right side
    1,088,746.20x = 618,994,080,126.18
  5. Step 5: Solve for x
    x = 618,994,080,126.18/1,088,746.20
  6. Step 6: Final answer
    x = 568,538.45

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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.