Home / 1,478,814.12-2,218,221.54-414,013.02

Finding the Fourth Proportional to 1,478,814.12, 2,218,221.54 and 414,013.02

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Solution

The fourth proportional to 1,478,814.12, 2,218,221.54 and 414,013.02 is: 621,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,814.12 : 2,218,221.54 = 414,013.02 : x
  2. Step 2: Convert to fraction form
    1,478,814.12/2,218,221.54 = 414,013.02/x
  3. Step 3: Cross multiply
    1,478,814.12x = 2,218,221.54 × 414,013.02
  4. Step 4: Simplify right side
    1,478,814.12x = 918,372,598,804.45
  5. Step 5: Solve for x
    x = 918,372,598,804.45/1,478,814.12
  6. Step 6: Final answer
    x = 621,019.63

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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.