Home / 1,942,317.60-2,913,320.80-662,815.68

Finding the Fourth Proportional to 1,942,317.60, 2,913,320.80 and 662,815.68

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Solution

The fourth proportional to 1,942,317.60, 2,913,320.80 and 662,815.68 is: 994,170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,317.60 : 2,913,320.80 = 662,815.68 : x
  2. Step 2: Convert to fraction form
    1,942,317.60/2,913,320.80 = 662,815.68/x
  3. Step 3: Cross multiply
    1,942,317.60x = 2,913,320.80 × 662,815.68
  4. Step 4: Simplify right side
    1,942,317.60x = 1,930,994,707,110.14
  5. Step 5: Solve for x
    x = 1,930,994,707,110.14/1,942,317.60
  6. Step 6: Final answer
    x = 994,170.42

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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.