Home / 1,490,843.40-2,236,556.70-637,913.40

Finding the Fourth Proportional to 1,490,843.40, 2,236,556.70 and 637,913.40

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Solution

The fourth proportional to 1,490,843.40, 2,236,556.70 and 637,913.40 is: 956,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,843.40 : 2,236,556.70 = 637,913.40 : x
  2. Step 2: Convert to fraction form
    1,490,843.40/2,236,556.70 = 637,913.40/x
  3. Step 3: Cross multiply
    1,490,843.40x = 2,236,556.70 × 637,913.40
  4. Step 4: Simplify right side
    1,490,843.40x = 1,426,729,488,789.78
  5. Step 5: Solve for x
    x = 1,426,729,488,789.78/1,490,843.40
  6. Step 6: Final answer
    x = 956,994.87

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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.