Home / 1,871,727.40-2,806,208.70-749,218.60

Finding the Fourth Proportional to 1,871,727.40, 2,806,208.70 and 749,218.60

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Solution

The fourth proportional to 1,871,727.40, 2,806,208.70 and 749,218.60 is: 1,123,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,727.40 : 2,806,208.70 = 749,218.60 : x
  2. Step 2: Convert to fraction form
    1,871,727.40/2,806,208.70 = 749,218.60/x
  3. Step 3: Cross multiply
    1,871,727.40x = 2,806,208.70 × 749,218.60
  4. Step 4: Simplify right side
    1,871,727.40x = 2,102,463,753,521.82
  5. Step 5: Solve for x
    x = 2,102,463,753,521.82/1,871,727.40
  6. Step 6: Final answer
    x = 1,123,274.55

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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.