Home / 1,405,472.88-2,108,202-340,515.12

Finding the Fourth Proportional to 1,405,472.88, 2,108,202 and 340,515.12

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Solution

The fourth proportional to 1,405,472.88, 2,108,202 and 340,515.12 is: 510,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,472.88 : 2,108,202 = 340,515.12 : x
  2. Step 2: Convert to fraction form
    1,405,472.88/2,108,202 = 340,515.12/x
  3. Step 3: Cross multiply
    1,405,472.88x = 2,108,202 × 340,515.12
  4. Step 4: Simplify right side
    1,405,472.88x = 717,874,657,014.24
  5. Step 5: Solve for x
    x = 717,874,657,014.24/1,405,472.88
  6. Step 6: Final answer
    x = 510,770.91

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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.