Home / 1,687,399.14-2,530,577.16-489,409.50

Finding the Fourth Proportional to 1,687,399.14, 2,530,577.16 and 489,409.50

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Solution

The fourth proportional to 1,687,399.14, 2,530,577.16 and 489,409.50 is: 733,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,399.14 : 2,530,577.16 = 489,409.50 : x
  2. Step 2: Convert to fraction form
    1,687,399.14/2,530,577.16 = 489,409.50/x
  3. Step 3: Cross multiply
    1,687,399.14x = 2,530,577.16 × 489,409.50
  4. Step 4: Simplify right side
    1,687,399.14x = 1,238,488,502,587.02
  5. Step 5: Solve for x
    x = 1,238,488,502,587.02/1,687,399.14
  6. Step 6: Final answer
    x = 733,962.98

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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.