Home / 1,909,330.60-2,863,931.10-489,400.60

Finding the Fourth Proportional to 1,909,330.60, 2,863,931.10 and 489,400.60

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Solution

The fourth proportional to 1,909,330.60, 2,863,931.10 and 489,400.60 is: 734,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,330.60 : 2,863,931.10 = 489,400.60 : x
  2. Step 2: Convert to fraction form
    1,909,330.60/2,863,931.10 = 489,400.60/x
  3. Step 3: Cross multiply
    1,909,330.60x = 2,863,931.10 × 489,400.60
  4. Step 4: Simplify right side
    1,909,330.60x = 1,401,609,598,698.66
  5. Step 5: Solve for x
    x = 1,401,609,598,698.66/1,909,330.60
  6. Step 6: Final answer
    x = 734,084.29

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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.