Home / 1,542,993.74-2,314,860.13-643,935.36

Finding the Fourth Proportional to 1,542,993.74, 2,314,860.13 and 643,935.36

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Solution

The fourth proportional to 1,542,993.74, 2,314,860.13 and 643,935.36 is: 966,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,993.74 : 2,314,860.13 = 643,935.36 : x
  2. Step 2: Convert to fraction form
    1,542,993.74/2,314,860.13 = 643,935.36/x
  3. Step 3: Cross multiply
    1,542,993.74x = 2,314,860.13 × 643,935.36
  4. Step 4: Simplify right side
    1,542,993.74x = 1,490,620,291,161.20
  5. Step 5: Solve for x
    x = 1,490,620,291,161.20/1,542,993.74
  6. Step 6: Final answer
    x = 966,057.25

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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.