Home / 1,129,841.40-1,694,820.40-288,400.44

Finding the Fourth Proportional to 1,129,841.40, 1,694,820.40 and 288,400.44

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Solution

The fourth proportional to 1,129,841.40, 1,694,820.40 and 288,400.44 is: 432,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,841.40 : 1,694,820.40 = 288,400.44 : x
  2. Step 2: Convert to fraction form
    1,129,841.40/1,694,820.40 = 288,400.44/x
  3. Step 3: Cross multiply
    1,129,841.40x = 1,694,820.40 × 288,400.44
  4. Step 4: Simplify right side
    1,129,841.40x = 488,786,949,080.98
  5. Step 5: Solve for x
    x = 488,786,949,080.98/1,129,841.40
  6. Step 6: Final answer
    x = 432,615.54

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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.