Home / 1,490,843.70-2,236,265.55-1,018,451.70

Finding the Fourth Proportional to 1,490,843.70, 2,236,265.55 and 1,018,451.70

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Solution

The fourth proportional to 1,490,843.70, 2,236,265.55 and 1,018,451.70 is: 1,527,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,843.70 : 2,236,265.55 = 1,018,451.70 : x
  2. Step 2: Convert to fraction form
    1,490,843.70/2,236,265.55 = 1,018,451.70/x
  3. Step 3: Cross multiply
    1,490,843.70x = 2,236,265.55 × 1,018,451.70
  4. Step 4: Simplify right side
    1,490,843.70x = 2,277,528,451,048.93
  5. Step 5: Solve for x
    x = 2,277,528,451,048.93/1,490,843.70
  6. Step 6: Final answer
    x = 1,527,677.55

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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.