Home / 1,124,335.20-1,685,919.60-413,997.60

Finding the Fourth Proportional to 1,124,335.20, 1,685,919.60 and 413,997.60

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Solution

The fourth proportional to 1,124,335.20, 1,685,919.60 and 413,997.60 is: 620,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,335.20 : 1,685,919.60 = 413,997.60 : x
  2. Step 2: Convert to fraction form
    1,124,335.20/1,685,919.60 = 413,997.60/x
  3. Step 3: Cross multiply
    1,124,335.20x = 1,685,919.60 × 413,997.60
  4. Step 4: Simplify right side
    1,124,335.20x = 697,966,668,192.96
  5. Step 5: Solve for x
    x = 697,966,668,192.96/1,124,335.20
  6. Step 6: Final answer
    x = 620,781.66

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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.