Home / 1,010,666.20-1,515,999.30-505,305.18

Finding the Fourth Proportional to 1,010,666.20, 1,515,999.30 and 505,305.18

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Solution

The fourth proportional to 1,010,666.20, 1,515,999.30 and 505,305.18 is: 757,957.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,666.20 : 1,515,999.30 = 505,305.18 : x
  2. Step 2: Convert to fraction form
    1,010,666.20/1,515,999.30 = 505,305.18/x
  3. Step 3: Cross multiply
    1,010,666.20x = 1,515,999.30 × 505,305.18
  4. Step 4: Simplify right side
    1,010,666.20x = 766,042,291,586.38
  5. Step 5: Solve for x
    x = 766,042,291,586.38/1,010,666.20
  6. Step 6: Final answer
    x = 757,957.76

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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.