Home / 1,154,071.21-1,729,559.27-898,212.80

Finding the Fourth Proportional to 1,154,071.21, 1,729,559.27 and 898,212.80

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Solution

The fourth proportional to 1,154,071.21, 1,729,559.27 and 898,212.80 is: 1,346,114.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,071.21 : 1,729,559.27 = 898,212.80 : x
  2. Step 2: Convert to fraction form
    1,154,071.21/1,729,559.27 = 898,212.80/x
  3. Step 3: Cross multiply
    1,154,071.21x = 1,729,559.27 × 898,212.80
  4. Step 4: Simplify right side
    1,154,071.21x = 1,553,512,274,672.66
  5. Step 5: Solve for x
    x = 1,553,512,274,672.66/1,154,071.21
  6. Step 6: Final answer
    x = 1,346,114.75

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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.