Home / 1,478,901.78-2,218,181.31-414,028.98

Finding the Fourth Proportional to 1,478,901.78, 2,218,181.31 and 414,028.98

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Solution

The fourth proportional to 1,478,901.78, 2,218,181.31 and 414,028.98 is: 620,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,901.78 : 2,218,181.31 = 414,028.98 : x
  2. Step 2: Convert to fraction form
    1,478,901.78/2,218,181.31 = 414,028.98/x
  3. Step 3: Cross multiply
    1,478,901.78x = 2,218,181.31 × 414,028.98
  4. Step 4: Simplify right side
    1,478,901.78x = 918,391,345,234.36
  5. Step 5: Solve for x
    x = 918,391,345,234.36/1,478,901.78
  6. Step 6: Final answer
    x = 620,995.50

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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.