Home / 1,534,290.96-2,117,349.72-855,154.56

Finding the Fourth Proportional to 1,534,290.96, 2,117,349.72 and 855,154.56

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Solution

The fourth proportional to 1,534,290.96, 2,117,349.72 and 855,154.56 is: 1,180,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,290.96 : 2,117,349.72 = 855,154.56 : x
  2. Step 2: Convert to fraction form
    1,534,290.96/2,117,349.72 = 855,154.56/x
  3. Step 3: Cross multiply
    1,534,290.96x = 2,117,349.72 × 855,154.56
  4. Step 4: Simplify right side
    1,534,290.96x = 1,810,661,268,172.72
  5. Step 5: Solve for x
    x = 1,810,661,268,172.72/1,534,290.96
  6. Step 6: Final answer
    x = 1,180,129.01

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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.