Home / 1,293,327.84-1,938,795.92-660,847.44

Finding the Fourth Proportional to 1,293,327.84, 1,938,795.92 and 660,847.44

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Solution

The fourth proportional to 1,293,327.84, 1,938,795.92 and 660,847.44 is: 990,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,327.84 : 1,938,795.92 = 660,847.44 : x
  2. Step 2: Convert to fraction form
    1,293,327.84/1,938,795.92 = 660,847.44/x
  3. Step 3: Cross multiply
    1,293,327.84x = 1,938,795.92 × 660,847.44
  4. Step 4: Simplify right side
    1,293,327.84x = 1,281,248,320,414.44
  5. Step 5: Solve for x
    x = 1,281,248,320,414.44/1,293,327.84
  6. Step 6: Final answer
    x = 990,660.13

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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.