Home / 1,786,330.20-2,678,717.70-587,789.40

Finding the Fourth Proportional to 1,786,330.20, 2,678,717.70 and 587,789.40

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Solution

The fourth proportional to 1,786,330.20, 2,678,717.70 and 587,789.40 is: 881,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,330.20 : 2,678,717.70 = 587,789.40 : x
  2. Step 2: Convert to fraction form
    1,786,330.20/2,678,717.70 = 587,789.40/x
  3. Step 3: Cross multiply
    1,786,330.20x = 2,678,717.70 × 587,789.40
  4. Step 4: Simplify right side
    1,786,330.20x = 1,574,521,869,652.38
  5. Step 5: Solve for x
    x = 1,574,521,869,652.38/1,786,330.20
  6. Step 6: Final answer
    x = 881,428.23

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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.