Home / 1,807,794.65-2,712,799.15-728,109.20

Finding the Fourth Proportional to 1,807,794.65, 2,712,799.15 and 728,109.20

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Solution

The fourth proportional to 1,807,794.65, 2,712,799.15 and 728,109.20 is: 1,092,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,794.65 : 2,712,799.15 = 728,109.20 : x
  2. Step 2: Convert to fraction form
    1,807,794.65/2,712,799.15 = 728,109.20/x
  3. Step 3: Cross multiply
    1,807,794.65x = 2,712,799.15 × 728,109.20
  4. Step 4: Simplify right side
    1,807,794.65x = 1,975,214,023,828.90
  5. Step 5: Solve for x
    x = 1,975,214,023,828.90/1,807,794.65
  6. Step 6: Final answer
    x = 1,092,609.73

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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.