Home / 1,567,384.14-2,351,078.80-430,161.92

Finding the Fourth Proportional to 1,567,384.14, 2,351,078.80 and 430,161.92

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Solution

The fourth proportional to 1,567,384.14, 2,351,078.80 and 430,161.92 is: 645,243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,384.14 : 2,351,078.80 = 430,161.92 : x
  2. Step 2: Convert to fraction form
    1,567,384.14/2,351,078.80 = 430,161.92/x
  3. Step 3: Cross multiply
    1,567,384.14x = 2,351,078.80 × 430,161.92
  4. Step 4: Simplify right side
    1,567,384.14x = 1,011,344,570,679.30
  5. Step 5: Solve for x
    x = 1,011,344,570,679.30/1,567,384.14
  6. Step 6: Final answer
    x = 645,243.59

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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.