Home / 1,478,819.12-2,218,229.04-414,018.02

Finding the Fourth Proportional to 1,478,819.12, 2,218,229.04 and 414,018.02

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Solution

The fourth proportional to 1,478,819.12, 2,218,229.04 and 414,018.02 is: 621,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,819.12 : 2,218,229.04 = 414,018.02 : x
  2. Step 2: Convert to fraction form
    1,478,819.12/2,218,229.04 = 414,018.02/x
  3. Step 3: Cross multiply
    1,478,819.12x = 2,218,229.04 × 414,018.02
  4. Step 4: Simplify right side
    1,478,819.12x = 918,386,795,047.30
  5. Step 5: Solve for x
    x = 918,386,795,047.30/1,478,819.12
  6. Step 6: Final answer
    x = 621,027.13

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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.