Home / 1,253,056.84-1,729,220.98-743,861.32

Finding the Fourth Proportional to 1,253,056.84, 1,729,220.98 and 743,861.32

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Solution

The fourth proportional to 1,253,056.84, 1,729,220.98 and 743,861.32 is: 1,026,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,056.84 : 1,729,220.98 = 743,861.32 : x
  2. Step 2: Convert to fraction form
    1,253,056.84/1,729,220.98 = 743,861.32/x
  3. Step 3: Cross multiply
    1,253,056.84x = 1,729,220.98 × 743,861.32
  4. Step 4: Simplify right side
    1,253,056.84x = 1,286,300,600,754.49
  5. Step 5: Solve for x
    x = 1,286,300,600,754.49/1,253,056.84
  6. Step 6: Final answer
    x = 1,026,530.13

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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.