Home / 1,479,167.20-2,217,001.20-768,829.60

Finding the Fourth Proportional to 1,479,167.20, 2,217,001.20 and 768,829.60

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Solution

The fourth proportional to 1,479,167.20, 2,217,001.20 and 768,829.60 is: 1,152,335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,167.20 : 2,217,001.20 = 768,829.60 : x
  2. Step 2: Convert to fraction form
    1,479,167.20/2,217,001.20 = 768,829.60/x
  3. Step 3: Cross multiply
    1,479,167.20x = 2,217,001.20 × 768,829.60
  4. Step 4: Simplify right side
    1,479,167.20x = 1,704,496,145,795.52
  5. Step 5: Solve for x
    x = 1,704,496,145,795.52/1,479,167.20
  6. Step 6: Final answer
    x = 1,152,335.01

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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.