Home / 1,126,323.84-1,688,189.76-494,497.92

Finding the Fourth Proportional to 1,126,323.84, 1,688,189.76 and 494,497.92

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Solution

The fourth proportional to 1,126,323.84, 1,688,189.76 and 494,497.92 is: 741,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,323.84 : 1,688,189.76 = 494,497.92 : x
  2. Step 2: Convert to fraction form
    1,126,323.84/1,688,189.76 = 494,497.92/x
  3. Step 3: Cross multiply
    1,126,323.84x = 1,688,189.76 × 494,497.92
  4. Step 4: Simplify right side
    1,126,323.84x = 834,806,324,885.30
  5. Step 5: Solve for x
    x = 834,806,324,885.30/1,126,323.84
  6. Step 6: Final answer
    x = 741,177.89

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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.