Home / 1,355,869.78-1,871,037.57-744,007.12

Finding the Fourth Proportional to 1,355,869.78, 1,871,037.57 and 744,007.12

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Solution

The fourth proportional to 1,355,869.78, 1,871,037.57 and 744,007.12 is: 1,026,695.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,869.78 : 1,871,037.57 = 744,007.12 : x
  2. Step 2: Convert to fraction form
    1,355,869.78/1,871,037.57 = 744,007.12/x
  3. Step 3: Cross multiply
    1,355,869.78x = 1,871,037.57 × 744,007.12
  4. Step 4: Simplify right side
    1,355,869.78x = 1,392,065,273,867.50
  5. Step 5: Solve for x
    x = 1,392,065,273,867.50/1,355,869.78
  6. Step 6: Final answer
    x = 1,026,695.41

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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.