Home / 1,286,903.03-1,776,083.68-743,037.91

Finding the Fourth Proportional to 1,286,903.03, 1,776,083.68 and 743,037.91

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Solution

The fourth proportional to 1,286,903.03, 1,776,083.68 and 743,037.91 is: 1,025,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,903.03 : 1,776,083.68 = 743,037.91 : x
  2. Step 2: Convert to fraction form
    1,286,903.03/1,776,083.68 = 743,037.91/x
  3. Step 3: Cross multiply
    1,286,903.03x = 1,776,083.68 × 743,037.91
  4. Step 4: Simplify right side
    1,286,903.03x = 1,319,697,505,572.31
  5. Step 5: Solve for x
    x = 1,319,697,505,572.31/1,286,903.03
  6. Step 6: Final answer
    x = 1,025,483.25

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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.