Home / 1,355,900.28-1,871,170.97-744,047.69

Finding the Fourth Proportional to 1,355,900.28, 1,871,170.97 and 744,047.69

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Solution

The fourth proportional to 1,355,900.28, 1,871,170.97 and 744,047.69 is: 1,026,801.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,900.28 : 1,871,170.97 = 744,047.69 : x
  2. Step 2: Convert to fraction form
    1,355,900.28/1,871,170.97 = 744,047.69/x
  3. Step 3: Cross multiply
    1,355,900.28x = 1,871,170.97 × 744,047.69
  4. Step 4: Simplify right side
    1,355,900.28x = 1,392,240,437,823.56
  5. Step 5: Solve for x
    x = 1,392,240,437,823.56/1,355,900.28
  6. Step 6: Final answer
    x = 1,026,801.50

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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.