Home / 1,021,204.80-1,531,807.20-263,044.80

Finding the Fourth Proportional to 1,021,204.80, 1,531,807.20 and 263,044.80

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Solution

The fourth proportional to 1,021,204.80, 1,531,807.20 and 263,044.80 is: 394,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,204.80 : 1,531,807.20 = 263,044.80 : x
  2. Step 2: Convert to fraction form
    1,021,204.80/1,531,807.20 = 263,044.80/x
  3. Step 3: Cross multiply
    1,021,204.80x = 1,531,807.20 × 263,044.80
  4. Step 4: Simplify right side
    1,021,204.80x = 402,933,918,562.56
  5. Step 5: Solve for x
    x = 402,933,918,562.56/1,021,204.80
  6. Step 6: Final answer
    x = 394,567.20

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Double scale
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Similar ratio
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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.