Home / 1,405,085.98-2,107,634.50-340,126.32

Finding the Fourth Proportional to 1,405,085.98, 2,107,634.50 and 340,126.32

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Solution

The fourth proportional to 1,405,085.98, 2,107,634.50 and 340,126.32 is: 510,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,085.98 : 2,107,634.50 = 340,126.32 : x
  2. Step 2: Convert to fraction form
    1,405,085.98/2,107,634.50 = 340,126.32/x
  3. Step 3: Cross multiply
    1,405,085.98x = 2,107,634.50 × 340,126.32
  4. Step 4: Simplify right side
    1,405,085.98x = 716,861,966,390.04
  5. Step 5: Solve for x
    x = 716,861,966,390.04/1,405,085.98
  6. Step 6: Final answer
    x = 510,190.82

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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.