Home / 1,313,743.60-1,970,615.40-744,904.90

Finding the Fourth Proportional to 1,313,743.60, 1,970,615.40 and 744,904.90

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Solution

The fourth proportional to 1,313,743.60, 1,970,615.40 and 744,904.90 is: 1,117,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,743.60 : 1,970,615.40 = 744,904.90 : x
  2. Step 2: Convert to fraction form
    1,313,743.60/1,970,615.40 = 744,904.90/x
  3. Step 3: Cross multiply
    1,313,743.60x = 1,970,615.40 × 744,904.90
  4. Step 4: Simplify right side
    1,313,743.60x = 1,467,921,067,475.46
  5. Step 5: Solve for x
    x = 1,467,921,067,475.46/1,313,743.60
  6. Step 6: Final answer
    x = 1,117,357.35

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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.