Home / 1,172,018.96-1,758,028.44-423,890

Finding the Fourth Proportional to 1,172,018.96, 1,758,028.44 and 423,890

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Solution

The fourth proportional to 1,172,018.96, 1,758,028.44 and 423,890 is: 635,835

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,018.96 : 1,758,028.44 = 423,890 : x
  2. Step 2: Convert to fraction form
    1,172,018.96/1,758,028.44 = 423,890/x
  3. Step 3: Cross multiply
    1,172,018.96x = 1,758,028.44 × 423,890
  4. Step 4: Simplify right side
    1,172,018.96x = 745,210,675,431.60
  5. Step 5: Solve for x
    x = 745,210,675,431.60/1,172,018.96
  6. Step 6: Final answer
    x = 635,835

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.