Home / 1,217,563.49-1,679,856.77-734,276.45

Finding the Fourth Proportional to 1,217,563.49, 1,679,856.77 and 734,276.45

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Solution

The fourth proportional to 1,217,563.49, 1,679,856.77 and 734,276.45 is: 1,013,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,563.49 : 1,679,856.77 = 734,276.45 : x
  2. Step 2: Convert to fraction form
    1,217,563.49/1,679,856.77 = 734,276.45/x
  3. Step 3: Cross multiply
    1,217,563.49x = 1,679,856.77 × 734,276.45
  4. Step 4: Simplify right side
    1,217,563.49x = 1,233,479,261,912.68
  5. Step 5: Solve for x
    x = 1,233,479,261,912.68/1,217,563.49
  6. Step 6: Final answer
    x = 1,013,071.82

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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.