Home / 1,394,889.60-2,092,334.40-1,310,908.80

Finding the Fourth Proportional to 1,394,889.60, 2,092,334.40 and 1,310,908.80

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Solution

The fourth proportional to 1,394,889.60, 2,092,334.40 and 1,310,908.80 is: 1,966,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,889.60 : 2,092,334.40 = 1,310,908.80 : x
  2. Step 2: Convert to fraction form
    1,394,889.60/2,092,334.40 = 1,310,908.80/x
  3. Step 3: Cross multiply
    1,394,889.60x = 2,092,334.40 × 1,310,908.80
  4. Step 4: Simplify right side
    1,394,889.60x = 2,742,859,577,502.72
  5. Step 5: Solve for x
    x = 2,742,859,577,502.72/1,394,889.60
  6. Step 6: Final answer
    x = 1,966,363.20

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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.