Home / 1,478,055.52-2,217,124.56-480,783.52

Finding the Fourth Proportional to 1,478,055.52, 2,217,124.56 and 480,783.52

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Solution

The fourth proportional to 1,478,055.52, 2,217,124.56 and 480,783.52 is: 721,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,055.52 : 2,217,124.56 = 480,783.52 : x
  2. Step 2: Convert to fraction form
    1,478,055.52/2,217,124.56 = 480,783.52/x
  3. Step 3: Cross multiply
    1,478,055.52x = 2,217,124.56 × 480,783.52
  4. Step 4: Simplify right side
    1,478,055.52x = 1,065,956,950,235.25
  5. Step 5: Solve for x
    x = 1,065,956,950,235.25/1,478,055.52
  6. Step 6: Final answer
    x = 721,188.71

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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.