Home / 1,994,197.50-2,992,050.02-780,641.33

Finding the Fourth Proportional to 1,994,197.50, 2,992,050.02 and 780,641.33

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Solution

The fourth proportional to 1,994,197.50, 2,992,050.02 and 780,641.33 is: 1,171,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,197.50 : 2,992,050.02 = 780,641.33 : x
  2. Step 2: Convert to fraction form
    1,994,197.50/2,992,050.02 = 780,641.33/x
  3. Step 3: Cross multiply
    1,994,197.50x = 2,992,050.02 × 780,641.33
  4. Step 4: Simplify right side
    1,994,197.50x = 2,335,717,921,836.99
  5. Step 5: Solve for x
    x = 2,335,717,921,836.99/1,994,197.50
  6. Step 6: Final answer
    x = 1,171,257.07

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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.