Home / 1,472,357.52-2,208,539.70-447,697.20

Finding the Fourth Proportional to 1,472,357.52, 2,208,539.70 and 447,697.20

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Solution

The fourth proportional to 1,472,357.52, 2,208,539.70 and 447,697.20 is: 671,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,357.52 : 2,208,539.70 = 447,697.20 : x
  2. Step 2: Convert to fraction form
    1,472,357.52/2,208,539.70 = 447,697.20/x
  3. Step 3: Cross multiply
    1,472,357.52x = 2,208,539.70 × 447,697.20
  4. Step 4: Simplify right side
    1,472,357.52x = 988,757,039,778.84
  5. Step 5: Solve for x
    x = 988,757,039,778.84/1,472,357.52
  6. Step 6: Final answer
    x = 671,546.84

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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.