Home / 1,626,830.95-2,440,255.08-489,585.34

Finding the Fourth Proportional to 1,626,830.95, 2,440,255.08 and 489,585.34

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Solution

The fourth proportional to 1,626,830.95, 2,440,255.08 and 489,585.34 is: 734,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,830.95 : 2,440,255.08 = 489,585.34 : x
  2. Step 2: Convert to fraction form
    1,626,830.95/2,440,255.08 = 489,585.34/x
  3. Step 3: Cross multiply
    1,626,830.95x = 2,440,255.08 × 489,585.34
  4. Step 4: Simplify right side
    1,626,830.95x = 1,194,713,113,028.53
  5. Step 5: Solve for x
    x = 1,194,713,113,028.53/1,626,830.95
  6. Step 6: Final answer
    x = 734,380.61

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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.