Home / 1,018,155.40-1,527,231.80-259,996.48

Finding the Fourth Proportional to 1,018,155.40, 1,527,231.80 and 259,996.48

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Solution

The fourth proportional to 1,018,155.40, 1,527,231.80 and 259,996.48 is: 389,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,155.40 : 1,527,231.80 = 259,996.48 : x
  2. Step 2: Convert to fraction form
    1,018,155.40/1,527,231.80 = 259,996.48/x
  3. Step 3: Cross multiply
    1,018,155.40x = 1,527,231.80 × 259,996.48
  4. Step 4: Simplify right side
    1,018,155.40x = 397,074,892,144.06
  5. Step 5: Solve for x
    x = 397,074,892,144.06/1,018,155.40
  6. Step 6: Final answer
    x = 389,994.39

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Double scale
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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.