Home / 1,054,825.92-1,455,661.44-625,317.12

Finding the Fourth Proportional to 1,054,825.92, 1,455,661.44 and 625,317.12

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Solution

The fourth proportional to 1,054,825.92, 1,455,661.44 and 625,317.12 is: 862,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,825.92 : 1,455,661.44 = 625,317.12 : x
  2. Step 2: Convert to fraction form
    1,054,825.92/1,455,661.44 = 625,317.12/x
  3. Step 3: Cross multiply
    1,054,825.92x = 1,455,661.44 × 625,317.12
  4. Step 4: Simplify right side
    1,054,825.92x = 910,250,019,355.85
  5. Step 5: Solve for x
    x = 910,250,019,355.85/1,054,825.92
  6. Step 6: Final answer
    x = 862,938.62

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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.