Home / 1,107,376.62-1,661,203.43-433,370.86

Finding the Fourth Proportional to 1,107,376.62, 1,661,203.43 and 433,370.86

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Solution

The fourth proportional to 1,107,376.62, 1,661,203.43 and 433,370.86 is: 650,110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,376.62 : 1,661,203.43 = 433,370.86 : x
  2. Step 2: Convert to fraction form
    1,107,376.62/1,661,203.43 = 433,370.86/x
  3. Step 3: Cross multiply
    1,107,376.62x = 1,661,203.43 × 433,370.86
  4. Step 4: Simplify right side
    1,107,376.62x = 719,917,156,837.04
  5. Step 5: Solve for x
    x = 719,917,156,837.04/1,107,376.62
  6. Step 6: Final answer
    x = 650,110.49

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Double scale
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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.