Home / 1,418,342.40-1,954,886.40-1,110,412.80

Finding the Fourth Proportional to 1,418,342.40, 1,954,886.40 and 1,110,412.80

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Solution

The fourth proportional to 1,418,342.40, 1,954,886.40 and 1,110,412.80 is: 1,530,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,342.40 : 1,954,886.40 = 1,110,412.80 : x
  2. Step 2: Convert to fraction form
    1,418,342.40/1,954,886.40 = 1,110,412.80/x
  3. Step 3: Cross multiply
    1,418,342.40x = 1,954,886.40 × 1,110,412.80
  4. Step 4: Simplify right side
    1,418,342.40x = 2,170,730,881,105.92
  5. Step 5: Solve for x
    x = 2,170,730,881,105.92/1,418,342.40
  6. Step 6: Final answer
    x = 1,530,470.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.