Home / 1,800,778.70-2,700,886.14-602,691.50

Finding the Fourth Proportional to 1,800,778.70, 2,700,886.14 and 602,691.50

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Solution

The fourth proportional to 1,800,778.70, 2,700,886.14 and 602,691.50 is: 903,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,778.70 : 2,700,886.14 = 602,691.50 : x
  2. Step 2: Convert to fraction form
    1,800,778.70/2,700,886.14 = 602,691.50/x
  3. Step 3: Cross multiply
    1,800,778.70x = 2,700,886.14 × 602,691.50
  4. Step 4: Simplify right side
    1,800,778.70x = 1,627,801,105,541.38
  5. Step 5: Solve for x
    x = 1,627,801,105,541.38/1,800,778.70
  6. Step 6: Final answer
    x = 903,942.89

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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.