Home / 1,036,015.82-1,554,234.69-436,979.21

Finding the Fourth Proportional to 1,036,015.82, 1,554,234.69 and 436,979.21

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Solution

The fourth proportional to 1,036,015.82, 1,554,234.69 and 436,979.21 is: 655,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,015.82 : 1,554,234.69 = 436,979.21 : x
  2. Step 2: Convert to fraction form
    1,036,015.82/1,554,234.69 = 436,979.21/x
  3. Step 3: Cross multiply
    1,036,015.82x = 1,554,234.69 × 436,979.21
  4. Step 4: Simplify right side
    1,036,015.82x = 679,168,246,990.80
  5. Step 5: Solve for x
    x = 679,168,246,990.80/1,036,015.82
  6. Step 6: Final answer
    x = 655,557.80

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Double scale
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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.