Home / 1,405,085.64-2,107,633.86-340,125.90

Finding the Fourth Proportional to 1,405,085.64, 2,107,633.86 and 340,125.90

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Solution

The fourth proportional to 1,405,085.64, 2,107,633.86 and 340,125.90 is: 510,190.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,085.64 : 2,107,633.86 = 340,125.90 : x
  2. Step 2: Convert to fraction form
    1,405,085.64/2,107,633.86 = 340,125.90/x
  3. Step 3: Cross multiply
    1,405,085.64x = 2,107,633.86 × 340,125.90
  4. Step 4: Simplify right side
    1,405,085.64x = 716,860,863,502.97
  5. Step 5: Solve for x
    x = 716,860,863,502.97/1,405,085.64
  6. Step 6: Final answer
    x = 510,190.16

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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.