Home / 1,909,044.60-2,863,502.10-489,114.60

Finding the Fourth Proportional to 1,909,044.60, 2,863,502.10 and 489,114.60

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Solution

The fourth proportional to 1,909,044.60, 2,863,502.10 and 489,114.60 is: 733,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,044.60 : 2,863,502.10 = 489,114.60 : x
  2. Step 2: Convert to fraction form
    1,909,044.60/2,863,502.10 = 489,114.60/x
  3. Step 3: Cross multiply
    1,909,044.60x = 2,863,502.10 × 489,114.60
  4. Step 4: Simplify right side
    1,909,044.60x = 1,400,580,684,240.66
  5. Step 5: Solve for x
    x = 1,400,580,684,240.66/1,909,044.60
  6. Step 6: Final answer
    x = 733,655.30

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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.