Home / 1,567,445.20-2,351,167.80-385,493.20

Finding the Fourth Proportional to 1,567,445.20, 2,351,167.80 and 385,493.20

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Solution

The fourth proportional to 1,567,445.20, 2,351,167.80 and 385,493.20 is: 578,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,445.20 : 2,351,167.80 = 385,493.20 : x
  2. Step 2: Convert to fraction form
    1,567,445.20/2,351,167.80 = 385,493.20/x
  3. Step 3: Cross multiply
    1,567,445.20x = 2,351,167.80 × 385,493.20
  4. Step 4: Simplify right side
    1,567,445.20x = 906,359,198,958.96
  5. Step 5: Solve for x
    x = 906,359,198,958.96/1,567,445.20
  6. Step 6: Final answer
    x = 578,239.80

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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.