Home / 1,209,910.49-1,669,697.85-658,642.14

Finding the Fourth Proportional to 1,209,910.49, 1,669,697.85 and 658,642.14

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Solution

The fourth proportional to 1,209,910.49, 1,669,697.85 and 658,642.14 is: 908,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,910.49 : 1,669,697.85 = 658,642.14 : x
  2. Step 2: Convert to fraction form
    1,209,910.49/1,669,697.85 = 658,642.14/x
  3. Step 3: Cross multiply
    1,209,910.49x = 1,669,697.85 × 658,642.14
  4. Step 4: Simplify right side
    1,209,910.49x = 1,099,733,365,077.40
  5. Step 5: Solve for x
    x = 1,099,733,365,077.40/1,209,910.49
  6. Step 6: Final answer
    x = 908,937.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.