Home / 679,937.70-1,019,906.55-637,947.30

Finding the Fourth Proportional to 679,937.70, 1,019,906.55 and 637,947.30

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Solution

The fourth proportional to 679,937.70, 1,019,906.55 and 637,947.30 is: 956,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,937.70 : 1,019,906.55 = 637,947.30 : x
  2. Step 2: Convert to fraction form
    679,937.70/1,019,906.55 = 637,947.30/x
  3. Step 3: Cross multiply
    679,937.70x = 1,019,906.55 × 637,947.30
  4. Step 4: Simplify right side
    679,937.70x = 650,646,629,824.82
  5. Step 5: Solve for x
    x = 650,646,629,824.82/679,937.70
  6. Step 6: Final answer
    x = 956,920.95

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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.