Home / 1,601,131.16-2,209,199.28-956,425.16

Finding the Fourth Proportional to 1,601,131.16, 2,209,199.28 and 956,425.16

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Solution

The fourth proportional to 1,601,131.16, 2,209,199.28 and 956,425.16 is: 1,319,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,131.16 : 2,209,199.28 = 956,425.16 : x
  2. Step 2: Convert to fraction form
    1,601,131.16/2,209,199.28 = 956,425.16/x
  3. Step 3: Cross multiply
    1,601,131.16x = 2,209,199.28 × 956,425.16
  4. Step 4: Simplify right side
    1,601,131.16x = 2,112,933,774,845.88
  5. Step 5: Solve for x
    x = 2,112,933,774,845.88/1,601,131.16
  6. Step 6: Final answer
    x = 1,319,650.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.