Home / 1,658,566.49-2,487,847.64-521,427.94

Finding the Fourth Proportional to 1,658,566.49, 2,487,847.64 and 521,427.94

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Solution

The fourth proportional to 1,658,566.49, 2,487,847.64 and 521,427.94 is: 782,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,566.49 : 2,487,847.64 = 521,427.94 : x
  2. Step 2: Convert to fraction form
    1,658,566.49/2,487,847.64 = 521,427.94/x
  3. Step 3: Cross multiply
    1,658,566.49x = 2,487,847.64 × 521,427.94
  4. Step 4: Simplify right side
    1,658,566.49x = 1,297,233,261,132.30
  5. Step 5: Solve for x
    x = 1,297,233,261,132.30/1,658,566.49
  6. Step 6: Final answer
    x = 782,141.25

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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.