Home / 1,124,967.40-1,687,451.10-336,999.40

Finding the Fourth Proportional to 1,124,967.40, 1,687,451.10 and 336,999.40

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Solution

The fourth proportional to 1,124,967.40, 1,687,451.10 and 336,999.40 is: 505,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,967.40 : 1,687,451.10 = 336,999.40 : x
  2. Step 2: Convert to fraction form
    1,124,967.40/1,687,451.10 = 336,999.40/x
  3. Step 3: Cross multiply
    1,124,967.40x = 1,687,451.10 × 336,999.40
  4. Step 4: Simplify right side
    1,124,967.40x = 568,670,008,229.34
  5. Step 5: Solve for x
    x = 568,670,008,229.34/1,124,967.40
  6. Step 6: Final answer
    x = 505,499.10

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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.