Home / 1,871,728.40-2,806,210.20-749,219.60

Finding the Fourth Proportional to 1,871,728.40, 2,806,210.20 and 749,219.60

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Solution

The fourth proportional to 1,871,728.40, 2,806,210.20 and 749,219.60 is: 1,123,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,728.40 : 2,806,210.20 = 749,219.60 : x
  2. Step 2: Convert to fraction form
    1,871,728.40/2,806,210.20 = 749,219.60/x
  3. Step 3: Cross multiply
    1,871,728.40x = 2,806,210.20 × 749,219.60
  4. Step 4: Simplify right side
    1,871,728.40x = 2,102,467,683,559.92
  5. Step 5: Solve for x
    x = 2,102,467,683,559.92/1,871,728.40
  6. Step 6: Final answer
    x = 1,123,276.05

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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.