Home / 1,542,419.93-2,130,756.63-1,231,914.83

Finding the Fourth Proportional to 1,542,419.93, 2,130,756.63 and 1,231,914.83

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Solution

The fourth proportional to 1,542,419.93, 2,130,756.63 and 1,231,914.83 is: 1,701,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,419.93 : 2,130,756.63 = 1,231,914.83 : x
  2. Step 2: Convert to fraction form
    1,542,419.93/2,130,756.63 = 1,231,914.83/x
  3. Step 3: Cross multiply
    1,542,419.93x = 2,130,756.63 × 1,231,914.83
  4. Step 4: Simplify right side
    1,542,419.93x = 2,624,910,680,964.04
  5. Step 5: Solve for x
    x = 2,624,910,680,964.04/1,542,419.93
  6. Step 6: Final answer
    x = 1,701,813.26

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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.