Home / 1,687,225.32-2,530,317.20-489,235.96

Finding the Fourth Proportional to 1,687,225.32, 2,530,317.20 and 489,235.96

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Solution

The fourth proportional to 1,687,225.32, 2,530,317.20 and 489,235.96 is: 733,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,225.32 : 2,530,317.20 = 489,235.96 : x
  2. Step 2: Convert to fraction form
    1,687,225.32/2,530,317.20 = 489,235.96/x
  3. Step 3: Cross multiply
    1,687,225.32x = 2,530,317.20 × 489,235.96
  4. Step 4: Simplify right side
    1,687,225.32x = 1,237,922,164,446.51
  5. Step 5: Solve for x
    x = 1,237,922,164,446.51/1,687,225.32
  6. Step 6: Final answer
    x = 733,702.93

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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.