Home / 1,310,199.84-1,961,231.76-709,669.44

Finding the Fourth Proportional to 1,310,199.84, 1,961,231.76 and 709,669.44

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Solution

The fourth proportional to 1,310,199.84, 1,961,231.76 and 709,669.44 is: 1,062,300.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,199.84 : 1,961,231.76 = 709,669.44 : x
  2. Step 2: Convert to fraction form
    1,310,199.84/1,961,231.76 = 709,669.44/x
  3. Step 3: Cross multiply
    1,310,199.84x = 1,961,231.76 × 709,669.44
  4. Step 4: Simplify right side
    1,310,199.84x = 1,391,826,244,829.41
  5. Step 5: Solve for x
    x = 1,391,826,244,829.41/1,310,199.84
  6. Step 6: Final answer
    x = 1,062,300.73

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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.