Home / 1,658,530.96-2,487,676.35-521,618.33

Finding the Fourth Proportional to 1,658,530.96, 2,487,676.35 and 521,618.33

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Solution

The fourth proportional to 1,658,530.96, 2,487,676.35 and 521,618.33 is: 782,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,530.96 : 2,487,676.35 = 521,618.33 : x
  2. Step 2: Convert to fraction form
    1,658,530.96/2,487,676.35 = 521,618.33/x
  3. Step 3: Cross multiply
    1,658,530.96x = 2,487,676.35 × 521,618.33
  4. Step 4: Simplify right side
    1,658,530.96x = 1,297,617,591,442.76
  5. Step 5: Solve for x
    x = 1,297,617,591,442.76/1,658,530.96
  6. Step 6: Final answer
    x = 782,389.73

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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.