Home / 1,756,385.56-2,634,584.70-426,689.56

Finding the Fourth Proportional to 1,756,385.56, 2,634,584.70 and 426,689.56

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Solution

The fourth proportional to 1,756,385.56, 2,634,584.70 and 426,689.56 is: 640,035.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,385.56 : 2,634,584.70 = 426,689.56 : x
  2. Step 2: Convert to fraction form
    1,756,385.56/2,634,584.70 = 426,689.56/x
  3. Step 3: Cross multiply
    1,756,385.56x = 2,634,584.70 × 426,689.56
  4. Step 4: Simplify right side
    1,756,385.56x = 1,124,149,786,425.73
  5. Step 5: Solve for x
    x = 1,124,149,786,425.73/1,756,385.56
  6. Step 6: Final answer
    x = 640,035.89

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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.