Home / 1,778,424.52-2,667,643.62-430,584.88

Finding the Fourth Proportional to 1,778,424.52, 2,667,643.62 and 430,584.88

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Solution

The fourth proportional to 1,778,424.52, 2,667,643.62 and 430,584.88 is: 645,878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,424.52 : 2,667,643.62 = 430,584.88 : x
  2. Step 2: Convert to fraction form
    1,778,424.52/2,667,643.62 = 430,584.88/x
  3. Step 3: Cross multiply
    1,778,424.52x = 2,667,643.62 × 430,584.88
  4. Step 4: Simplify right side
    1,778,424.52x = 1,148,647,008,000.47
  5. Step 5: Solve for x
    x = 1,148,647,008,000.47/1,778,424.52
  6. Step 6: Final answer
    x = 645,878.98

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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.