Home / 1,355,383.98-1,870,454.84-743,568.03

Finding the Fourth Proportional to 1,355,383.98, 1,870,454.84 and 743,568.03

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Solution

The fourth proportional to 1,355,383.98, 1,870,454.84 and 743,568.03 is: 1,026,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,383.98 : 1,870,454.84 = 743,568.03 : x
  2. Step 2: Convert to fraction form
    1,355,383.98/1,870,454.84 = 743,568.03/x
  3. Step 3: Cross multiply
    1,355,383.98x = 1,870,454.84 × 743,568.03
  4. Step 4: Simplify right side
    1,355,383.98x = 1,390,810,416,864.93
  5. Step 5: Solve for x
    x = 1,390,810,416,864.93/1,355,383.98
  6. Step 6: Final answer
    x = 1,026,137.56

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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.