Home / 1,542,926.60-2,314,759.44-643,868.20

Finding the Fourth Proportional to 1,542,926.60, 2,314,759.44 and 643,868.20

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Solution

The fourth proportional to 1,542,926.60, 2,314,759.44 and 643,868.20 is: 965,956.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,926.60 : 2,314,759.44 = 643,868.20 : x
  2. Step 2: Convert to fraction form
    1,542,926.60/2,314,759.44 = 643,868.20/x
  3. Step 3: Cross multiply
    1,542,926.60x = 2,314,759.44 × 643,868.20
  4. Step 4: Simplify right side
    1,542,926.60x = 1,490,399,994,065.81
  5. Step 5: Solve for x
    x = 1,490,399,994,065.81/1,542,926.60
  6. Step 6: Final answer
    x = 965,956.51

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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.