Home / 1,994,000.40-2,988,959.40-981,565.20

Finding the Fourth Proportional to 1,994,000.40, 2,988,959.40 and 981,565.20

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Solution

The fourth proportional to 1,994,000.40, 2,988,959.40 and 981,565.20 is: 1,471,343.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,000.40 : 2,988,959.40 = 981,565.20 : x
  2. Step 2: Convert to fraction form
    1,994,000.40/2,988,959.40 = 981,565.20/x
  3. Step 3: Cross multiply
    1,994,000.40x = 2,988,959.40 × 981,565.20
  4. Step 4: Simplify right side
    1,994,000.40x = 2,933,858,531,252.88
  5. Step 5: Solve for x
    x = 2,933,858,531,252.88/1,994,000.40
  6. Step 6: Final answer
    x = 1,471,343.00

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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.