Home / 1,871,729.40-2,806,211.70-749,220.60

Finding the Fourth Proportional to 1,871,729.40, 2,806,211.70 and 749,220.60

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Solution

The fourth proportional to 1,871,729.40, 2,806,211.70 and 749,220.60 is: 1,123,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,729.40 : 2,806,211.70 = 749,220.60 : x
  2. Step 2: Convert to fraction form
    1,871,729.40/2,806,211.70 = 749,220.60/x
  3. Step 3: Cross multiply
    1,871,729.40x = 2,806,211.70 × 749,220.60
  4. Step 4: Simplify right side
    1,871,729.40x = 2,102,471,613,601.02
  5. Step 5: Solve for x
    x = 2,102,471,613,601.02/1,871,729.40
  6. Step 6: Final answer
    x = 1,123,277.55

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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.