Home / 1,342,615.21-2,014,108.43-431,823.46

Finding the Fourth Proportional to 1,342,615.21, 2,014,108.43 and 431,823.46

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Solution

The fourth proportional to 1,342,615.21, 2,014,108.43 and 431,823.46 is: 647,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,615.21 : 2,014,108.43 = 431,823.46 : x
  2. Step 2: Convert to fraction form
    1,342,615.21/2,014,108.43 = 431,823.46/x
  3. Step 3: Cross multiply
    1,342,615.21x = 2,014,108.43 × 431,823.46
  4. Step 4: Simplify right side
    1,342,615.21x = 869,739,271,057.77
  5. Step 5: Solve for x
    x = 869,739,271,057.77/1,342,615.21
  6. Step 6: Final answer
    x = 647,794.89

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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.